157807938 has 8 divisors (see below), whose sum is σ = 315615888. Its totient is φ = 52602644.

The previous prime is 157807933. The next prime is 157807963. The reversal of 157807938 is 839708751.

It is a sphenic number, since it is the product of 3 distinct primes.

157807938 is an admirable number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (157807933) 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, 13150656 + ... + 13150667.

It is an arithmetic number, because the mean of its divisors is an integer number (39451986).

Almost surely, 2^157807938 is an apocalyptic number.

157807938 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

157807938 is a wasteful number, since it uses less digits than its factorization.

157807938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26301328.

The product of its (nonzero) digits is 423360, while the sum is 48.

The square root of 157807938 is about 12562.1629507024. The cubic root of 157807938 is about 540.3928759601.

The spelling of 157807938 in words is "one hundred fifty-seven million, eight hundred seven thousand, nine hundred thirty-eight".