77553465708 has 12 divisors (see below), whose sum is σ = 180958086680. Its totient is φ = 25851155232.

The previous prime is 77553465697. The next prime is 77553465709. The reversal of 77553465708 is 80756435577.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-3 number, since 3×77553465708³ (a number of 34 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (77553465709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3231394393 + ... + 3231394416.

Almost surely, 2^77553465708 is an apocalyptic number.

It is an amenable number.

77553465708 is an abundant number, since it is smaller than the sum of its proper divisors (103404620972).

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

77553465708 is a wasteful number, since it uses less digits than its factorization.

77553465708 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6462788816 (or 6462788814 counting only the distinct ones).

The product of its (nonzero) digits is 24696000, while the sum is 57.

The spelling of 77553465708 in words is "seventy-seven billion, five hundred fifty-three million, four hundred sixty-five thousand, seven hundred eight".