157316807 has 4 divisors (see below), whose sum is σ = 157341936. Its totient is φ = 157291680.

The previous prime is 157316801. The next prime is 157316821. The reversal of 157316807 is 708613751.

157316807 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 708613751 = 37 ⋅19151723.

It is a cyclic number.

It is not a de Polignac number, because 157316807 - 2⁴ = 157316791 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 (157316801) 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, 5183 + ... + 18479.

It is an arithmetic number, because the mean of its divisors is an integer number (39335484).

Almost surely, 2^157316807 is an apocalyptic number.

157316807 is a deficient number, since it is larger than the sum of its proper divisors (25129).

157316807 is a wasteful number, since it uses less digits than its factorization.

157316807 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25128.

The product of its (nonzero) digits is 35280, while the sum is 38.

The square root of 157316807 is about 12542.5996906542. The cubic root of 157316807 is about 539.8316885142.

The spelling of 157316807 in words is "one hundred fifty-seven million, three hundred sixteen thousand, eight hundred seven".