80777363 has 2 divisors, whose sum is σ = 80777364. Its totient is φ = 80777362.

The previous prime is 80777321. The next prime is 80777371. The reversal of 80777363 is 36377708.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 80777363 - 2⁸ = 80777107 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 80777363.

It is not a weakly prime, because it can be changed into another prime (80777563) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40388681 + 40388682.

It is an arithmetic number, because the mean of its divisors is an integer number (40388682).

Almost surely, 2^80777363 is an apocalyptic number.

80777363 is a deficient number, since it is larger than the sum of its proper divisors (1).

80777363 is an equidigital number, since it uses as much as digits as its factorization.

80777363 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 148176, while the sum is 41.

The square root of 80777363 is about 8987.6227668945. The cubic root of 80777363 is about 432.2780899092.

The spelling of 80777363 in words is "eighty million, seven hundred seventy-seven thousand, three hundred sixty-three".