76777090140 has 96 divisors (see below), whose sum is σ = 227678472000. Its totient is φ = 19264720896.

The previous prime is 76777090127. The next prime is 76777090141. The reversal of 76777090140 is 4109077767.

It is a self number, because there is not a number n which added to its sum of digits gives 76777090140.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76777090141) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5857434 + ... + 5870526.

It is an arithmetic number, because the mean of its divisors is an integer number (2371650750).

Almost surely, 2^76777090140 is an apocalyptic number.

It is an amenable number.

76777090140 is an abundant number, since it is smaller than the sum of its proper divisors (150901381860).

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

76777090140 is a wasteful number, since it uses less digits than its factorization.

76777090140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18871 (or 18869 counting only the distinct ones).

The product of its (nonzero) digits is 518616, while the sum is 48.

The spelling of 76777090140 in words is "seventy-six billion, seven hundred seventy-seven million, ninety thousand, one hundred forty".