77425959 has 12 divisors (see below), whose sum is σ = 111254696. Its totient is φ = 47612928.

The previous prime is 77425921. The next prime is 77425979. The reversal of 77425959 is 95952477.

It is not a de Polignac number, because 77425959 - 2¹² = 77421863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77425979) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54247 + ... + 55655.

Almost surely, 2^77425959 is an apocalyptic number.

77425959 is a deficient number, since it is larger than the sum of its proper divisors (33828737).

77425959 is an equidigital number, since it uses as much as digits as its factorization.

77425959 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2834 (or 1425 counting only the distinct ones).

The product of its digits is 793800, while the sum is 48.

The square root of 77425959 is about 8799.2021797433. The cubic root of 77425959 is about 426.2151319219.

The spelling of 77425959 in words is "seventy-seven million, four hundred twenty-five thousand, nine hundred fifty-nine".