80772677 has 2 divisors, whose sum is σ = 80772678. Its totient is φ = 80772676.

The previous prime is 80772613. The next prime is 80772683. The reversal of 80772677 is 77627708.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 49758916 + 31013761 = 7054^2 + 5569^2 .

It is a cyclic number.

It is not a de Polignac number, because 80772677 - 2⁶ = 80772613 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (80772697) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40386338 + 40386339.

It is an arithmetic number, because the mean of its divisors is an integer number (40386339).

Almost surely, 2^80772677 is an apocalyptic number.

It is an amenable number.

80772677 is a deficient number, since it is larger than the sum of its proper divisors (1).

80772677 is an equidigital number, since it uses as much as digits as its factorization.

80772677 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 230496, while the sum is 44.

The square root of 80772677 is about 8987.3620712643. The cubic root of 80772677 is about 432.2697307426.

The spelling of 80772677 in words is "eighty million, seven hundred seventy-two thousand, six hundred seventy-seven".