8678512987 has 2 divisors, whose sum is σ = 8678512988. Its totient is φ = 8678512986.

The previous prime is 8678512891. The next prime is 8678513033. The reversal of 8678512987 is 7892158768.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 8678512987 - 2⁷ = 8678512859 is a prime.

It is not a weakly prime, because it can be changed into another prime (8678512187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4339256493 + 4339256494.

It is an arithmetic number, because the mean of its divisors is an integer number (4339256494).

Almost surely, 2^8678512987 is an apocalyptic number.

8678512987 is a deficient number, since it is larger than the sum of its proper divisors (1).

8678512987 is an equidigital number, since it uses as much as digits as its factorization.

8678512987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13547520, while the sum is 61.

The square root of 8678512987 is about 93158.5368444567. The cubic root of 8678512987 is about 2055.0155189321.

The spelling of 8678512987 in words is "eight billion, six hundred seventy-eight million, five hundred twelve thousand, nine hundred eighty-seven".