157320214877 has 4 divisors (see below), whose sum is σ = 179794531296. Its totient is φ = 134845898460.

The previous prime is 157320214859. The next prime is 157320214927. The reversal of 157320214877 is 778412023751.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 778412023751 = 866513 ⋅898327.

It is not a de Polignac number, because 157320214877 - 2⁶ = 157320214813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157320210877) 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, 11237158199 + ... + 11237158212.

It is an arithmetic number, because the mean of its divisors is an integer number (44948632824).

Almost surely, 2^157320214877 is an apocalyptic number.

It is an amenable number.

157320214877 is a deficient number, since it is larger than the sum of its proper divisors (22474316419).

157320214877 is an equidigital number, since it uses as much as digits as its factorization.

157320214877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22474316418.

The product of its (nonzero) digits is 658560, while the sum is 47.

The spelling of 157320214877 in words is "one hundred fifty-seven billion, three hundred twenty million, two hundred fourteen thousand, eight hundred seventy-seven".