77730053462832 has 40 divisors (see below), whose sum is σ = 203630844291840. Its totient is φ = 25545087991360.

The previous prime is 77730053462797. The next prime is 77730053462839. The reversal of 77730053462832 is 23826435003777.

It is a super-2 number, since 2×77730053462832² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (57) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (77730053462839) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11404053732 + ... + 11404060547.

It is an arithmetic number, because the mean of its divisors is an integer number (5090771107296).

Almost surely, 2^{77730053462832} is an apocalyptic number.

It is an amenable number.

77730053462832 is an abundant number, since it is smaller than the sum of its proper divisors (125900790829008).

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

77730053462832 is a wasteful number, since it uses less digits than its factorization.

77730053462832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22808114361 (or 22808114355 counting only the distinct ones).

The product of its (nonzero) digits is 35562240, while the sum is 57.

The spelling of 77730053462832 in words is "seventy-seven trillion, seven hundred thirty billion, fifty-three million, four hundred sixty-two thousand, eight hundred thirty-two".