157387922894 has 4 divisors (see below), whose sum is σ = 236081884344. Its totient is φ = 78693961446.

The previous prime is 157387922851. The next prime is 157387922947. The reversal of 157387922894 is 498229783751.

157387922894 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a self number, because there is not a number n which added to its sum of digits gives 157387922894.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39346980722 + ... + 39346980725.

It is an arithmetic number, because the mean of its divisors is an integer number (59020471086).

Almost surely, 2^157387922894 is an apocalyptic number.

157387922894 is a deficient number, since it is larger than the sum of its proper divisors (78693961450).

157387922894 is an equidigital number, since it uses as much as digits as its factorization.

157387922894 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78693961449.

The product of its digits is 60963840, while the sum is 65.

The spelling of 157387922894 in words is "one hundred fifty-seven billion, three hundred eighty-seven million, nine hundred twenty-two thousand, eight hundred ninety-four".