77903495008 has 48 divisors (see below), whose sum is σ = 159528821760. Its totient is φ = 37407427200.

The previous prime is 77903495003. The next prime is 77903495009. The reversal of 77903495008 is 80059430977.

It is a super-2 number, since 2×77903495008² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77903495003) 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, 169788 + ... + 429691.

It is an arithmetic number, because the mean of its divisors is an integer number (3323517120).

Almost surely, 2^77903495008 is an apocalyptic number.

It is an amenable number.

77903495008 is an abundant number, since it is smaller than the sum of its proper divisors (81625326752).

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

77903495008 is a wasteful number, since it uses less digits than its factorization.

77903495008 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 599651 (or 599643 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 52.

The spelling of 77903495008 in words is "seventy-seven billion, nine hundred three million, four hundred ninety-five thousand, eight".