157091277 has 16 divisors (see below), whose sum is σ = 239760512. Its totient is φ = 89622720.

The previous prime is 157091269. The next prime is 157091281. The reversal of 157091277 is 772190751.

157091277 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 157091277 - 2³ = 157091269 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 (157091177) 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, 8223 + ... + 19539.

It is an arithmetic number, because the mean of its divisors is an integer number (14985032).

Almost surely, 2^157091277 is an apocalyptic number.

It is an amenable number.

157091277 is a deficient number, since it is larger than the sum of its proper divisors (82669235).

157091277 is a wasteful number, since it uses less digits than its factorization.

157091277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11988.

The product of its (nonzero) digits is 30870, while the sum is 39.

The square root of 157091277 is about 12533.6059057240. The cubic root of 157091277 is about 539.5735968561.

The spelling of 157091277 in words is "one hundred fifty-seven million, ninety-one thousand, two hundred seventy-seven".