770935139 has 4 divisors (see below), whose sum is σ = 830237856. Its totient is φ = 711632424.

The previous prime is 770935133. The next prime is 770935147. The reversal of 770935139 is 931539077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-770935139 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 770935139.

It is not an unprimeable number, because it can be changed into a prime (770935133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29651339 + ... + 29651364.

It is an arithmetic number, because the mean of its divisors is an integer number (207559464).

Almost surely, 2^770935139 is an apocalyptic number.

770935139 is a deficient number, since it is larger than the sum of its proper divisors (59302717).

770935139 is a wasteful number, since it uses less digits than its factorization.

770935139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59302716.

The product of its (nonzero) digits is 178605, while the sum is 44.

The square root of 770935139 is about 27765.7187733363. The cubic root of 770935139 is about 916.9365413358.

The spelling of 770935139 in words is "seven hundred seventy million, nine hundred thirty-five thousand, one hundred thirty-nine".