786773545428 has 192 divisors, whose sum is σ = 2127686787072. Its totient is φ = 224506114560.

The previous prime is 786773545399. The next prime is 786773545457. The reversal of 786773545428 is 824545377687.

It is an interprime number because it is at equal distance from previous prime (786773545399) and next prime (786773545457).

It is a super-2 number, since 2×786773545428² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 10985551 + ... + 11056937.

It is an arithmetic number, because the mean of its divisors is an integer number (11081702016).

Almost surely, 2^786773545428 is an apocalyptic number.

786773545428 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 786773545428, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1063843393536).

786773545428 is an abundant number, since it is smaller than the sum of its proper divisors (1340913241644).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

786773545428 is a wasteful number, since it uses less digits than its factorization.

786773545428 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71534 (or 71532 counting only the distinct ones).

The product of its digits is 316108800, while the sum is 66.

The spelling of 786773545428 in words is "seven hundred eighty-six billion, seven hundred seventy-three million, five hundred forty-five thousand, four hundred twenty-eight".