87601967 has 2 divisors, whose sum is σ = 87601968. Its totient is φ = 87601966.

The previous prime is 87601949. The next prime is 87601973. The reversal of 87601967 is 76910678.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87601967 - 2⁸ = 87601711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (87601667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43800983 + 43800984.

It is an arithmetic number, because the mean of its divisors is an integer number (43800984).

Almost surely, 2^87601967 is an apocalyptic number.

87601967 is a deficient number, since it is larger than the sum of its proper divisors (1).

87601967 is an equidigital number, since it uses as much as digits as its factorization.

87601967 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 87601967 is about 9359.5922453919. The cubic root of 87601967 is about 444.1243851788.

The spelling of 87601967 in words is "eighty-seven million, six hundred one thousand, nine hundred sixty-seven".