770681339 has 8 divisors (see below), whose sum is σ = 783889920. Its totient is φ = 757584576.

The previous prime is 770681323. The next prime is 770681407. The reversal of 770681339 is 933186077.

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 770681339 - 2⁴ = 770681323 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 770681339.

It is not an unprimeable number, because it can be changed into a prime (770681039) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13994 + ... + 41679.

It is an arithmetic number, because the mean of its divisors is an integer number (97986240).

Almost surely, 2^770681339 is an apocalyptic number.

770681339 is a deficient number, since it is larger than the sum of its proper divisors (13208581).

770681339 is a wasteful number, since it uses less digits than its factorization.

770681339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55909.

The product of its (nonzero) digits is 190512, while the sum is 44.

The square root of 770681339 is about 27761.1480130055. The cubic root of 770681339 is about 916.8359085567.

The spelling of 770681339 in words is "seven hundred seventy million, six hundred eighty-one thousand, three hundred thirty-nine".