157261707 has 12 divisors (see below), whose sum is σ = 232439064. Its totient is φ = 102402720.

The previous prime is 157261697. The next prime is 157261717. The reversal of 157261707 is 707162751.

It is an interprime number because it is at equal distance from previous prime (157261697) and next prime (157261717).

It is not a de Polignac number, because 157261707 - 2²² = 153067403 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157261717) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 202794 + ... + 203567.

It is an arithmetic number, because the mean of its divisors is an integer number (19369922).

Almost surely, 2^157261707 is an apocalyptic number.

157261707 is a deficient number, since it is larger than the sum of its proper divisors (75177357).

157261707 is a wasteful number, since it uses less digits than its factorization.

157261707 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 406410 (or 406407 counting only the distinct ones).

The product of its (nonzero) digits is 20580, while the sum is 36.

The square root of 157261707 is about 12540.4029839555. The cubic root of 157261707 is about 539.7686560470.

The spelling of 157261707 in words is "one hundred fifty-seven million, two hundred sixty-one thousand, seven hundred seven".