772690347738 has 24 divisors (see below), whose sum is σ = 1675316275776. Its totient is φ = 257385933000.

The previous prime is 772690347679. The next prime is 772690347743. The reversal of 772690347738 is 837743096277.

772690347738 is a `hidden beast` number, since 7 + 72 + 6 + 90 + 3 + 477 + 3 + 8 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14766178 + ... + 14818413.

It is an arithmetic number, because the mean of its divisors is an integer number (69804844824).

Almost surely, 2^772690347738 is an apocalyptic number.

772690347738 is an abundant number, since it is smaller than the sum of its proper divisors (902625928038).

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

772690347738 is a wasteful number, since it uses less digits than its factorization.

772690347738 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29586050 (or 29586047 counting only the distinct ones).

The product of its (nonzero) digits is 74680704, while the sum is 63.

The spelling of 772690347738 in words is "seven hundred seventy-two billion, six hundred ninety million, three hundred forty-seven thousand, seven hundred thirty-eight".