80157077649 has 24 divisors (see below), whose sum is σ = 126317100000. Its totient is φ = 48576594240.

The previous prime is 80157077629. The next prime is 80157077677. The reversal of 80157077649 is 94677075108.

80157077649 is a `hidden beast` number, since 8 + 0 + 1 + 570 + 7 + 7 + 64 + 9 = 666.

It is not a de Polignac number, because 80157077649 - 2⁵ = 80157077617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 80157077595 and 80157077604.

It is not an unprimeable number, because it can be changed into a prime (80157077629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2408877 + ... + 2441925.

It is an arithmetic number, because the mean of its divisors is an integer number (5263212500).

Almost surely, 2^80157077649 is an apocalyptic number.

It is an amenable number.

80157077649 is a deficient number, since it is larger than the sum of its proper divisors (46160022351).

80157077649 is a wasteful number, since it uses less digits than its factorization.

80157077649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57565 (or 57562 counting only the distinct ones).

The product of its (nonzero) digits is 2963520, while the sum is 54.

The spelling of 80157077649 in words is "eighty billion, one hundred fifty-seven million, seventy-seven thousand, six hundred forty-nine".