77075963 has 2 divisors, whose sum is σ = 77075964. Its totient is φ = 77075962.

The previous prime is 77075851. The next prime is 77075983. The reversal of 77075963 is 36957077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77075963 - 2¹⁴ = 77059579 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (77075983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38537981 + 38537982.

It is an arithmetic number, because the mean of its divisors is an integer number (38537982).

Almost surely, 2^77075963 is an apocalyptic number.

77075963 is a deficient number, since it is larger than the sum of its proper divisors (1).

77075963 is an equidigital number, since it uses as much as digits as its factorization.

77075963 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 277830, while the sum is 44.

The square root of 77075963 is about 8779.2917140280. The cubic root of 77075963 is about 425.5719413865.

The spelling of 77075963 in words is "seventy-seven million, seventy-five thousand, nine hundred sixty-three".