87060977651 has 2 divisors, whose sum is σ = 87060977652. Its totient is φ = 87060977650.

The previous prime is 87060977629. The next prime is 87060977719. The reversal of 87060977651 is 15677906078.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 87060977651 - 2²² = 87056783347 is a prime.

It is a super-2 number, since 2×87060977651² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (87060977051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43530488825 + 43530488826.

It is an arithmetic number, because the mean of its divisors is an integer number (43530488826).

Almost surely, 2^87060977651 is an apocalyptic number.

87060977651 is a deficient number, since it is larger than the sum of its proper divisors (1).

87060977651 is an equidigital number, since it uses as much as digits as its factorization.

87060977651 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The spelling of 87060977651 in words is "eighty-seven billion, sixty million, nine hundred seventy-seven thousand, six hundred fifty-one".