157477007 has 4 divisors (see below), whose sum is σ = 158090016. Its totient is φ = 156864000.

The previous prime is 157476983. The next prime is 157477013. The reversal of 157477007 is 700774751.

157477007 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 an emirpimes, since its reverse is a distinct semiprime: 700774751 = 3709 ⋅188939.

It is a cyclic number.

It is not a de Polignac number, because 157477007 - 2²⁶ = 90368143 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 (157477087) 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, 306119 + ... + 306632.

It is an arithmetic number, because the mean of its divisors is an integer number (39522504).

Almost surely, 2^157477007 is an apocalyptic number.

157477007 is a deficient number, since it is larger than the sum of its proper divisors (613009).

157477007 is an equidigital number, since it uses as much as digits as its factorization.

157477007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 613008.

The product of its (nonzero) digits is 48020, while the sum is 38.

The square root of 157477007 is about 12548.9843015282. The cubic root of 157477007 is about 540.0148681320.

The spelling of 157477007 in words is "one hundred fifty-seven million, four hundred seventy-seven thousand, seven".