77930255040 has 112 divisors (see below), whose sum is σ = 269922101760. Its totient is φ = 18892180480.

The previous prime is 77930255023. The next prime is 77930255113. The reversal of 77930255040 is 4055203977.

It is a junction number, because it is equal to n+sod(n) for n = 77930254983 and 77930255001.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3679320 + ... + 3700439.

Almost surely, 2^77930255040 is an apocalyptic number.

It is an amenable number.

77930255040 is an abundant number, since it is smaller than the sum of its proper divisors (191991846720).

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

77930255040 is a wasteful number, since it uses less digits than its factorization.

77930255040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7379790 (or 7379780 counting only the distinct ones).

The product of its (nonzero) digits is 264600, while the sum is 42.

The spelling of 77930255040 in words is "seventy-seven billion, nine hundred thirty million, two hundred fifty-five thousand, forty".