76607987 has 2 divisors, whose sum is σ = 76607988. Its totient is φ = 76607986.

The previous prime is 76607969. The next prime is 76607989. The reversal of 76607987 is 78970667.

It is a strong prime.

It is an emirp because it is prime and its reverse (78970667) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 76607987 - 2¹⁰ = 76606963 is a prime.

Together with 76607989, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (76607989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38303993 + 38303994.

It is an arithmetic number, because the mean of its divisors is an integer number (38303994).

Almost surely, 2^76607987 is an apocalyptic number.

76607987 is a deficient number, since it is larger than the sum of its proper divisors (1).

76607987 is an equidigital number, since it uses as much as digits as its factorization.

76607987 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 889056, while the sum is 50.

The square root of 76607987 is about 8752.5988711925. The cubic root of 76607987 is about 424.7088885327.

The spelling of 76607987 in words is "seventy-six million, six hundred seven thousand, nine hundred eighty-seven".