87292651 has 2 divisors, whose sum is σ = 87292652. Its totient is φ = 87292650.

The previous prime is 87292609. The next prime is 87292661. The reversal of 87292651 is 15629278.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 87292651 - 2¹³ = 87284459 is a prime.

It is not a weakly prime, because it can be changed into another prime (87292661) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43646325 + 43646326.

It is an arithmetic number, because the mean of its divisors is an integer number (43646326).

Almost surely, 2^87292651 is an apocalyptic number.

87292651 is a deficient number, since it is larger than the sum of its proper divisors (1).

87292651 is an equidigital number, since it uses as much as digits as its factorization.

87292651 is an evil number, because the sum of its binary digits is even.

The product of its digits is 60480, while the sum is 40.

The square root of 87292651 is about 9343.0536228794. The cubic root of 87292651 is about 443.6010453968.

The spelling of 87292651 in words is "eighty-seven million, two hundred ninety-two thousand, six hundred fifty-one".