87346957 has 2 divisors, whose sum is σ = 87346958. Its totient is φ = 87346956.

The previous prime is 87346879. The next prime is 87346981. The reversal of 87346957 is 75964378.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 69122596 + 18224361 = 8314^2 + 4269^2 .

It is a cyclic number.

It is not a de Polignac number, because 87346957 - 2⁷ = 87346829 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 87346957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87346997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43673478 + 43673479.

It is an arithmetic number, because the mean of its divisors is an integer number (43673479).

Almost surely, 2^87346957 is an apocalyptic number.

It is an amenable number.

87346957 is a deficient number, since it is larger than the sum of its proper divisors (1).

87346957 is an equidigital number, since it uses as much as digits as its factorization.

87346957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1270080, while the sum is 49.

The square root of 87346957 is about 9345.9593943051. The cubic root of 87346957 is about 443.6930165009.

The spelling of 87346957 in words is "eighty-seven million, three hundred forty-six thousand, nine hundred fifty-seven".