157880555 has 8 divisors (see below), whose sum is σ = 216521952. Its totient is φ = 108260928.

The previous prime is 157880521. The next prime is 157880561. The reversal of 157880555 is 555088751.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 157880555 - 2¹⁴ = 157864171 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2255402 + ... + 2255471.

It is an arithmetic number, because the mean of its divisors is an integer number (27065244).

Almost surely, 2^157880555 is an apocalyptic number.

157880555 is a deficient number, since it is larger than the sum of its proper divisors (58641397).

157880555 is an equidigital number, since it uses as much as digits as its factorization.

157880555 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4510885.

The product of its (nonzero) digits is 280000, while the sum is 44.

The square root of 157880555 is about 12565.0529246796. The cubic root of 157880555 is about 540.4757524245.

The spelling of 157880555 in words is "one hundred fifty-seven million, eight hundred eighty thousand, five hundred fifty-five".