772618536 has 48 divisors (see below), whose sum is σ = 2093888160. Its totient is φ = 257369760.

The previous prime is 772618463. The next prime is 772618541. The reversal of 772618536 is 635816277.

It is a junction number, because it is equal to n+sod(n) for n = 772618491 and 772618500.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 156181 + ... + 161051.

It is an arithmetic number, because the mean of its divisors is an integer number (43622670).

Almost surely, 2^772618536 is an apocalyptic number.

It is an amenable number.

772618536 is an abundant number, since it is smaller than the sum of its proper divisors (1321269624).

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

772618536 is a wasteful number, since it uses less digits than its factorization.

772618536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7086 (or 7079 counting only the distinct ones).

The product of its digits is 423360, while the sum is 45.

The square root of 772618536 is about 27796.0165491388. The cubic root of 772618536 is about 917.6034569665.

It can be divided in two parts, 7726 and 18536, that added together give a palindrome (26262).

The spelling of 772618536 in words is "seven hundred seventy-two million, six hundred eighteen thousand, five hundred thirty-six".