157795768698 has 16 divisors (see below), whose sum is σ = 315633301536. Its totient is φ = 52591628880.

The previous prime is 157795768679. The next prime is 157795768703. The reversal of 157795768698 is 896867597751.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1690948 + ... + 1781823.

It is an arithmetic number, because the mean of its divisors is an integer number (19727081346).

Almost surely, 2^157795768698 is an apocalyptic number.

157795768698 is an abundant number, since it is smaller than the sum of its proper divisors (157837532838).

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

157795768698 is a wasteful number, since it uses less digits than its factorization.

157795768698 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3480349.

The product of its digits is 1600300800, while the sum is 78.

The spelling of 157795768698 in words is "one hundred fifty-seven billion, seven hundred ninety-five million, seven hundred sixty-eight thousand, six hundred ninety-eight".