786545552 has 40 divisors (see below), whose sum is σ = 1645545720. Its totient is φ = 362050560.

The previous prime is 786545537. The next prime is 786545587. The reversal of 786545552 is 255545687.

It can be written as a sum of positive squares in 4 ways, for example, as 50183056 + 736362496 = 7084^2 + 27136^2 .

It is a junction number, because it is equal to n+sod(n) for n = 786545497 and 786545506.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 76052 + ... + 85772.

It is an arithmetic number, because the mean of its divisors is an integer number (41138643).

Almost surely, 2^786545552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 786545552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (822772860).

786545552 is an abundant number, since it is smaller than the sum of its proper divisors (859000168).

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

786545552 is a wasteful number, since it uses less digits than its factorization.

786545552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10131 (or 10125 counting only the distinct ones).

The product of its digits is 1680000, while the sum is 47.

The square root of 786545552 is about 28045.4194477458. The cubic root of 786545552 is about 923.0841484021.

The spelling of 786545552 in words is "seven hundred eighty-six million, five hundred forty-five thousand, five hundred fifty-two".