157808855 has 8 divisors (see below), whose sum is σ = 189458352. Its totient is φ = 126188608.

The previous prime is 157808809. The next prime is 157808857. The reversal of 157808855 is 558808751.

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 157808855 - 2¹⁶ = 157743319 is a prime.

It is a super-2 number, since 2×157808855² = 49807269432822050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (157808857) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7172 + ... + 19158.

It is an arithmetic number, because the mean of its divisors is an integer number (23682294).

Almost surely, 2^157808855 is an apocalyptic number.

157808855 is a deficient number, since it is larger than the sum of its proper divisors (31649497).

157808855 is a wasteful number, since it uses less digits than its factorization.

157808855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14625.

The product of its (nonzero) digits is 448000, while the sum is 47.

The square root of 157808855 is about 12562.1994491411. The cubic root of 157808855 is about 540.3939226740.

The spelling of 157808855 in words is "one hundred fifty-seven million, eight hundred eight thousand, eight hundred fifty-five".