62978987 has 2 divisors, whose sum is σ = 62978988. Its totient is φ = 62978986.

The previous prime is 62978983. The next prime is 62979017. The reversal of 62978987 is 78987926.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 62978987 - 2² = 62978983 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (62978983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 31489493 + 31489494.

It is an arithmetic number, because the mean of its divisors is an integer number (31489494).

Almost surely, 2^62978987 is an apocalyptic number.

62978987 is a deficient number, since it is larger than the sum of its proper divisors (1).

62978987 is an equidigital number, since it uses as much as digits as its factorization.

62978987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3048192, while the sum is 56.

The square root of 62978987 is about 7935.9301282206. The cubic root of 62978987 is about 397.8614767543.

The spelling of 62978987 in words is "sixty-two million, nine hundred seventy-eight thousand, nine hundred eighty-seven".