770944490 has 16 divisors (see below), whose sum is σ = 1391682600. Its totient is φ = 307492800.

The previous prime is 770944477. The next prime is 770944501. The reversal of 770944490 is 94449077.

It can be written as a sum of positive squares in 4 ways, for example, as 769119289 + 1825201 = 27733^2 + 1351^2 .

It is a super-2 number, since 2×770944490² = 1188710813322720200, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106961 + ... + 113940.

Almost surely, 2^770944490 is an apocalyptic number.

770944490 is a deficient number, since it is larger than the sum of its proper divisors (620738110).

770944490 is a wasteful number, since it uses less digits than its factorization.

770944490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 221257.

The product of its (nonzero) digits is 254016, while the sum is 44.

The square root of 770944490 is about 27765.8871639283. The cubic root of 770944490 is about 916.9402486252.

The spelling of 770944490 in words is "seven hundred seventy million, nine hundred forty-four thousand, four hundred ninety".