157793398 has 16 divisors (see below), whose sum is σ = 270732960. Its totient is φ = 67568256.

The previous prime is 157793387. The next prime is 157793401. The reversal of 157793398 is 893397751.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15118 + ... + 23326.

It is an arithmetic number, because the mean of its divisors is an integer number (16920810).

Almost surely, 2^157793398 is an apocalyptic number.

157793398 is a deficient number, since it is larger than the sum of its proper divisors (112939562).

157793398 is a wasteful number, since it uses less digits than its factorization.

157793398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9591.

The product of its digits is 1428840, while the sum is 52.

The square root of 157793398 is about 12561.5842153767. The cubic root of 157793398 is about 540.3762786671.

The spelling of 157793398 in words is "one hundred fifty-seven million, seven hundred ninety-three thousand, three hundred ninety-eight".