77507437869132 has 24 divisors (see below), whose sum is σ = 180896788570176. Its totient is φ = 25829226878928.

The previous prime is 77507437869083. The next prime is 77507437869137. The reversal of 77507437869132 is 23196873470577.

It is not an unprimeable number, because it can be changed into a prime (77507437869137) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 823168978 + ... + 823263129.

It is an arithmetic number, because the mean of its divisors is an integer number (7537366190424).

It is a 1-persistent number, because it is pandigital, but 2⋅77507437869132 = 155014875738264 is not.

Almost surely, 2^{77507437869132} is an apocalyptic number.

It is an amenable number.

77507437869132 is an abundant number, since it is smaller than the sum of its proper divisors (103389350701044).

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

77507437869132 is a wasteful number, since it uses less digits than its factorization.

77507437869132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646436037 (or 1646436035 counting only the distinct ones).

The product of its (nonzero) digits is 373403520, while the sum is 69.

The spelling of 77507437869132 in words is "seventy-seven trillion, five hundred seven billion, four hundred thirty-seven million, eight hundred sixty-nine thousand, one hundred thirty-two".