77676499 has 2 divisors, whose sum is σ = 77676500. Its totient is φ = 77676498.

The previous prime is 77676493. The next prime is 77676583. The reversal of 77676499 is 99467677.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77676499 - 2²¹ = 75579347 is a prime.

It is not a weakly prime, because it can be changed into another prime (77676493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38838249 + 38838250.

It is an arithmetic number, because the mean of its divisors is an integer number (38838250).

Almost surely, 2^77676499 is an apocalyptic number.

77676499 is a deficient number, since it is larger than the sum of its proper divisors (1).

77676499 is an equidigital number, since it uses as much as digits as its factorization.

77676499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4000752, while the sum is 55.

The square root of 77676499 is about 8813.4271994497. The cubic root of 77676499 is about 426.6743619082.

The spelling of 77676499 in words is "seventy-seven million, six hundred seventy-six thousand, four hundred ninety-nine".