770769261 has 24 divisors (see below), whose sum is σ = 1170262080. Its totient is φ = 487899456.

The previous prime is 770769253. The next prime is 770769269. The reversal of 770769261 is 162967077.

770769261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (770769253) and next prime (770769269).

It is not a de Polignac number, because 770769261 - 2³ = 770769253 is a prime.

It is a super-2 number, since 2×770769261² = 1188170507404972242, which contains 22 as substring.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (770769269) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14770 + ... + 41948.

It is an arithmetic number, because the mean of its divisors is an integer number (48760920).

Almost surely, 2^770769261 is an apocalyptic number.

It is an amenable number.

770769261 is a deficient number, since it is larger than the sum of its proper divisors (399492819).

770769261 is a wasteful number, since it uses less digits than its factorization.

770769261 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27345 (or 27342 counting only the distinct ones).

The product of its (nonzero) digits is 222264, while the sum is 45.

The square root of 770769261 is about 27762.7315118668. The cubic root of 770769261 is about 916.8707725043.

The spelling of 770769261 in words is "seven hundred seventy million, seven hundred sixty-nine thousand, two hundred sixty-one".