787022028 has 192 divisors, whose sum is σ = 2340083200. Its totient is φ = 226748160.

The previous prime is 787021969. The next prime is 787022029. The reversal of 787022028 is 820220787.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 787021983 and 787022001.

It is not an unprimeable number, because it can be changed into a prime (787022029) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 4348098 + ... + 4348278.

Almost surely, 2^787022028 is an apocalyptic number.

787022028 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 787022028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1170041600).

787022028 is an abundant number, since it is smaller than the sum of its proper divisors (1553061172).

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

787022028 is a wasteful number, since it uses less digits than its factorization.

787022028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 381 counting only the distinct ones).

The product of its (nonzero) digits is 25088, while the sum is 36.

The square root of 787022028 is about 28053.9128821632. The cubic root of 787022028 is about 923.2705070341.

The spelling of 787022028 in words is "seven hundred eighty-seven million, twenty-two thousand, twenty-eight".