77260939 has 8 divisors (see below), whose sum is σ = 88364768. Its totient is φ = 66173760.

The previous prime is 77260919. The next prime is 77260949. The reversal of 77260939 is 93906277.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 77260939 - 2⁵ = 77260907 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 77260895 and 77260904.

It is not an unprimeable number, because it can be changed into a prime (77260919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8269 + ... + 14929.

It is an arithmetic number, because the mean of its divisors is an integer number (11045596).

Almost surely, 2^77260939 is an apocalyptic number.

77260939 is a deficient number, since it is larger than the sum of its proper divisors (11103829).

77260939 is a wasteful number, since it uses less digits than its factorization.

77260939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8325.

The product of its (nonzero) digits is 142884, while the sum is 43.

The square root of 77260939 is about 8789.8201915625. The cubic root of 77260939 is about 425.9121153390.

The spelling of 77260939 in words is "seventy-seven million, two hundred sixty thousand, nine hundred thirty-nine".