76627987 has 2 divisors, whose sum is σ = 76627988. Its totient is φ = 76627986.

The previous prime is 76627951. The next prime is 76628029. The reversal of 76627987 is 78972667.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 76627987 - 2¹⁵ = 76595219 is a prime.

It is not a weakly prime, because it can be changed into another prime (76627787) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38313993 + 38313994.

It is an arithmetic number, because the mean of its divisors is an integer number (38313994).

Almost surely, 2^76627987 is an apocalyptic number.

76627987 is a deficient number, since it is larger than the sum of its proper divisors (1).

76627987 is an equidigital number, since it uses as much as digits as its factorization.

76627987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1778112, while the sum is 52.

The square root of 76627987 is about 8753.7413144324. The cubic root of 76627987 is about 424.7458448129.

The spelling of 76627987 in words is "seventy-six million, six hundred twenty-seven thousand, nine hundred eighty-seven".