770940251 has 4 divisors (see below), whose sum is σ = 791776512. Its totient is φ = 750103992.

The previous prime is 770940221. The next prime is 770940253. The reversal of 770940251 is 152049077.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 770940251 - 2¹⁰ = 770939227 is a prime.

It is a super-2 number, since 2×770940251² = 1188697741223886002, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (770940253) 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, 10418075 + ... + 10418148.

It is an arithmetic number, because the mean of its divisors is an integer number (197944128).

Almost surely, 2^770940251 is an apocalyptic number.

770940251 is a deficient number, since it is larger than the sum of its proper divisors (20836261).

770940251 is a wasteful number, since it uses less digits than its factorization.

770940251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20836260.

The product of its (nonzero) digits is 17640, while the sum is 35.

The square root of 770940251 is about 27765.8108291474. The cubic root of 770940251 is about 916.9385680386.

The spelling of 770940251 in words is "seven hundred seventy million, nine hundred forty thousand, two hundred fifty-one".