157988107 has 2 divisors, whose sum is σ = 157988108. Its totient is φ = 157988106.

The previous prime is 157988087. The next prime is 157988119. The reversal of 157988107 is 701889751.

157988107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (701889751) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 157988107 - 2²⁷ = 23770379 is a prime.

It is not a weakly prime, because it can be changed into another prime (157988137) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78994053 + 78994054.

It is an arithmetic number, because the mean of its divisors is an integer number (78994054).

Almost surely, 2^157988107 is an apocalyptic number.

157988107 is a deficient number, since it is larger than the sum of its proper divisors (1).

157988107 is an equidigital number, since it uses as much as digits as its factorization.

157988107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 141120, while the sum is 46.

The square root of 157988107 is about 12569.3320029348. The cubic root of 157988107 is about 540.5984528914.

The spelling of 157988107 in words is "one hundred fifty-seven million, nine hundred eighty-eight thousand, one hundred seven".