770779042 has 96 divisors (see below), whose sum is σ = 1421855424. Its totient is φ = 310262400.

The previous prime is 770779027. The next prime is 770779117. The reversal of 770779042 is 240977077.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a self number, because there is not a number n which added to its sum of digits gives 770779042.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 12635692 + ... + 12635752.

It is an arithmetic number, because the mean of its divisors is an integer number (14810994).

Almost surely, 2^770779042 is an apocalyptic number.

770779042 is a deficient number, since it is larger than the sum of its proper divisors (651076382).

770779042 is a wasteful number, since it uses less digits than its factorization.

770779042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192 (or 173 counting only the distinct ones).

The product of its (nonzero) digits is 172872, while the sum is 43.

The square root of 770779042 is about 27762.9076647242. The cubic root of 770779042 is about 916.8746508267.

The spelling of 770779042 in words is "seven hundred seventy million, seven hundred seventy-nine thousand, forty-two".