87908651 has 2 divisors, whose sum is σ = 87908652. Its totient is φ = 87908650.

The previous prime is 87908629. The next prime is 87908677. The reversal of 87908651 is 15680978.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87908651 - 2¹⁰ = 87907627 is a prime.

It is not a weakly prime, because it can be changed into another prime (87908621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43954325 + 43954326.

It is an arithmetic number, because the mean of its divisors is an integer number (43954326).

Almost surely, 2^87908651 is an apocalyptic number.

87908651 is a deficient number, since it is larger than the sum of its proper divisors (1).

87908651 is an equidigital number, since it uses as much as digits as its factorization.

87908651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 120960, while the sum is 44.

The square root of 87908651 is about 9375.9613373776. The cubic root of 87908651 is about 444.6420569817.

The spelling of 87908651 in words is "eighty-seven million, nine hundred eight thousand, six hundred fifty-one".