77800237012124 has 24 divisors (see below), whose sum is σ = 148745188988928. Its totient is φ = 35311967005040.

The previous prime is 77800237012087. The next prime is 77800237012133. The reversal of 77800237012124 is 42121073200877.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

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, 1294396892 + ... + 1294456995.

It is an arithmetic number, because the mean of its divisors is an integer number (6197716207872).

Almost surely, 2^{77800237012124} is an apocalyptic number.

It is an amenable number.

77800237012124 is a deficient number, since it is larger than the sum of its proper divisors (70944951976804).

77800237012124 is a wasteful number, since it uses less digits than its factorization.

77800237012124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2588854585 (or 2588854583 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 44.

The spelling of 77800237012124 in words is "seventy-seven trillion, eight hundred billion, two hundred thirty-seven million, twelve thousand, one hundred twenty-four".