770129864 has 24 divisors (see below), whose sum is σ = 1679748390. Its totient is φ = 330055488.

The previous prime is 770129839. The next prime is 770129873. The reversal of 770129864 is 468921077.

It can be written as a sum of positive squares in only one way, i.e., 705327364 + 64802500 = 26558^2 + 8050^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 981917 + ... + 982700.

Almost surely, 2^770129864 is an apocalyptic number.

It is an amenable number.

770129864 is an abundant number, since it is smaller than the sum of its proper divisors (909618526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

770129864 is a wasteful number, since it uses less digits than its factorization.

770129864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1964637 (or 1964626 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 44.

The square root of 770129864 is about 27751.2137392223. The cubic root of 770129864 is about 916.6171701906.

The spelling of 770129864 in words is "seven hundred seventy million, one hundred twenty-nine thousand, eight hundred sixty-four".