157112077 has 4 divisors (see below), whose sum is σ = 157856896. Its totient is φ = 156367260.

The previous prime is 157112071. The next prime is 157112089. The reversal of 157112077 is 770211751.

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: 770211751 = 5023 ⋅153337.

It is a cyclic number.

It is not a de Polignac number, because 157112077 - 2⁷ = 157111949 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 (157112071) 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, 372093 + ... + 372514.

It is an arithmetic number, because the mean of its divisors is an integer number (39464224).

Almost surely, 2^157112077 is an apocalyptic number.

It is an amenable number.

157112077 is a deficient number, since it is larger than the sum of its proper divisors (744819).

157112077 is an equidigital number, since it uses as much as digits as its factorization.

157112077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 744818.

The product of its (nonzero) digits is 3430, while the sum is 31.

The square root of 157112077 is about 12534.4356474474. The cubic root of 157112077 is about 539.5974102630.

The spelling of 157112077 in words is "one hundred fifty-seven million, one hundred twelve thousand, seventy-seven".