157768959873 has 16 divisors (see below), whose sum is σ = 253062993920. Its totient is φ = 85408760016.

The previous prime is 157768959871. The next prime is 157768959877. The reversal of 157768959873 is 378959867751.

It is not a de Polignac number, because 157768959873 - 2¹ = 157768959871 is a prime.

It is a super-2 number, since 2×157768959873² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 157768959795 and 157768959804.

It is not an unprimeable number, because it can be changed into a prime (157768959871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 197705065 + ... + 197705862.

It is an arithmetic number, because the mean of its divisors is an integer number (15816437120).

Almost surely, 2^157768959873 is an apocalyptic number.

It is an amenable number.

157768959873 is a deficient number, since it is larger than the sum of its proper divisors (95294034047).

157768959873 is a wasteful number, since it uses less digits than its factorization.

157768959873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 395410956.

The product of its digits is 800150400, while the sum is 75.

The spelling of 157768959873 in words is "one hundred fifty-seven billion, seven hundred sixty-eight million, nine hundred fifty-nine thousand, eight hundred seventy-three".