77013263 has 2 divisors, whose sum is σ = 77013264. Its totient is φ = 77013262.

The previous prime is 77013259. The next prime is 77013283. The reversal of 77013263 is 36231077.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 77013263 - 2² = 77013259 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77013283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38506631 + 38506632.

It is an arithmetic number, because the mean of its divisors is an integer number (38506632).

Almost surely, 2^77013263 is an apocalyptic number.

77013263 is a deficient number, since it is larger than the sum of its proper divisors (1).

77013263 is an equidigital number, since it uses as much as digits as its factorization.

77013263 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5292, while the sum is 29.

The square root of 77013263 is about 8775.7200844147. The cubic root of 77013263 is about 425.4565115411.

The spelling of 77013263 in words is "seventy-seven million, thirteen thousand, two hundred sixty-three".