77077426900 has 72 divisors (see below), whose sum is σ = 175773715040. Its totient is φ = 29300019840.

The previous prime is 77077426897. The next prime is 77077426931. The reversal of 77077426900 is 962477077.

It is a super-2 number, since 2×77077426900² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 83130 + ... + 401329.

Almost surely, 2^77077426900 is an apocalyptic number.

It is an amenable number.

77077426900 is an abundant number, since it is smaller than the sum of its proper divisors (98696288140).

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

77077426900 is a wasteful number, since it uses less digits than its factorization.

77077426900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484553 (or 484546 counting only the distinct ones).

The product of its (nonzero) digits is 1037232, while the sum is 49.

The spelling of 77077426900 in words is "seventy-seven billion, seventy-seven million, four hundred twenty-six thousand, nine hundred".