157904432059 has 4 divisors (see below), whose sum is σ = 172259380440. Its totient is φ = 143549483680.

The previous prime is 157904432057. The next prime is 157904432087. The reversal of 157904432059 is 950234409751.

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

It is a cyclic number.

It is not a de Polignac number, because 157904432059 - 2¹ = 157904432057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (157904432057) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7177474174 + ... + 7177474195.

It is an arithmetic number, because the mean of its divisors is an integer number (43064845110).

Almost surely, 2^157904432059 is an apocalyptic number.

157904432059 is a deficient number, since it is larger than the sum of its proper divisors (14354948381).

157904432059 is a wasteful number, since it uses less digits than its factorization.

157904432059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14354948380.

The product of its (nonzero) digits is 1360800, while the sum is 49.

The spelling of 157904432059 in words is "one hundred fifty-seven billion, nine hundred four million, four hundred thirty-two thousand, fifty-nine".