770620768 has 24 divisors (see below), whose sum is σ = 1532806632. Its totient is φ = 381336576.

The previous prime is 770620757. The next prime is 770620769. The reversal of 770620768 is 867026077.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770620769) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 121030 + ... + 127237.

It is an arithmetic number, because the mean of its divisors is an integer number (63866943).

Almost surely, 2^770620768 is an apocalyptic number.

It is an amenable number.

770620768 is a deficient number, since it is larger than the sum of its proper divisors (762185864).

770620768 is a wasteful number, since it uses less digits than its factorization.

770620768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 248374 (or 248366 counting only the distinct ones).

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 770620768 is about 27760.0570604601. The cubic root of 770620768 is about 916.8118886322.

The spelling of 770620768 in words is "seven hundred seventy million, six hundred twenty thousand, seven hundred sixty-eight".