157116387 has 8 divisors (see below), whose sum is σ = 214598160. Its totient is φ = 102189440.

The previous prime is 157116383. The next prime is 157116389. The reversal of 157116387 is 783611751.

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

It is a cyclic number.

It is not a de Polignac number, because 157116387 - 2² = 157116383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (157116383) by changing a digit.

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, 638562 + ... + 638807.

It is an arithmetic number, because the mean of its divisors is an integer number (26824770).

Almost surely, 2^157116387 is an apocalyptic number.

157116387 is a deficient number, since it is larger than the sum of its proper divisors (57481773).

157116387 is a wasteful number, since it uses less digits than its factorization.

157116387 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1277413.

The product of its digits is 35280, while the sum is 39.

The square root of 157116387 is about 12534.6075726366. The cubic root of 157116387 is about 539.6023444128.

The spelling of 157116387 in words is "one hundred fifty-seven million, one hundred sixteen thousand, three hundred eighty-seven".