77908830441 has 32 divisors (see below), whose sum is σ = 113622663168. Its totient is φ = 47194486080.

The previous prime is 77908830431. The next prime is 77908830491. The reversal of 77908830441 is 14403880977.

It is not a de Polignac number, because 77908830441 - 2²² = 77904636137 is a prime.

It is not an unprimeable number, because it can be changed into a prime (77908830431) 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, 1769800 + ... + 1813286.

It is an arithmetic number, because the mean of its divisors is an integer number (3550708224).

Almost surely, 2^77908830441 is an apocalyptic number.

77908830441 is a gapful number since it is divisible by the number (71) formed by its first and last digit.

It is an amenable number.

77908830441 is a deficient number, since it is larger than the sum of its proper divisors (35713832727).

77908830441 is a wasteful number, since it uses less digits than its factorization.

77908830441 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44221.

The product of its (nonzero) digits is 1354752, while the sum is 51.

The spelling of 77908830441 in words is "seventy-seven billion, nine hundred eight million, eight hundred thirty thousand, four hundred forty-one".