157864442873 has 16 divisors (see below), whose sum is σ = 166279618560. Its totient is φ = 149686477200.

The previous prime is 157864442863. The next prime is 157864442881. The reversal of 157864442873 is 378244468751.

It is a cyclic number.

It is not a de Polignac number, because 157864442873 - 2⁶ = 157864442809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157864442863) 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, 74786 + ... + 566852.

It is an arithmetic number, because the mean of its divisors is an integer number (10392476160).

Almost surely, 2^157864442873 is an apocalyptic number.

It is an amenable number.

157864442873 is a deficient number, since it is larger than the sum of its proper divisors (8415175687).

157864442873 is a wasteful number, since it uses less digits than its factorization.

157864442873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492308.

The product of its digits is 36126720, while the sum is 59.

The spelling of 157864442873 in words is "one hundred fifty-seven billion, eight hundred sixty-four million, four hundred forty-two thousand, eight hundred seventy-three".