87960157 has 2 divisors, whose sum is σ = 87960158. Its totient is φ = 87960156.

The previous prime is 87960151. The next prime is 87960167. The reversal of 87960157 is 75106978.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 66928761 + 21031396 = 8181^2 + 4586^2 .

It is a cyclic number.

It is not a de Polignac number, because 87960157 - 2³ = 87960149 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87960151) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43980078 + 43980079.

It is an arithmetic number, because the mean of its divisors is an integer number (43980079).

Almost surely, 2^87960157 is an apocalyptic number.

It is an amenable number.

87960157 is a deficient number, since it is larger than the sum of its proper divisors (1).

87960157 is an equidigital number, since it uses as much as digits as its factorization.

87960157 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 105840, while the sum is 43.

The square root of 87960157 is about 9378.7076401816. The cubic root of 87960157 is about 444.7288791630.

The spelling of 87960157 in words is "eighty-seven million, nine hundred sixty thousand, one hundred fifty-seven".