77025959 has 2 divisors, whose sum is σ = 77025960. Its totient is φ = 77025958.

The previous prime is 77025941. The next prime is 77025967. The reversal of 77025959 is 95952077.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 77025959 - 2²⁴ = 60248743 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (77025989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 38512979 + 38512980.

It is an arithmetic number, because the mean of its divisors is an integer number (38512980).

Almost surely, 2^77025959 is an apocalyptic number.

77025959 is a deficient number, since it is larger than the sum of its proper divisors (1).

77025959 is an equidigital number, since it uses as much as digits as its factorization.

77025959 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 198450, while the sum is 44.

The square root of 77025959 is about 8776.4434140488. The cubic root of 77025959 is about 425.4798897613.

The spelling of 77025959 in words is "seventy-seven million, twenty-five thousand, nine hundred fifty-nine".