766790253 has 16 divisors (see below), whose sum is σ = 1202808960. Its totient is φ = 481123008.

The previous prime is 766790251. The next prime is 766790263. The reversal of 766790253 is 352097667.

It is not a de Polignac number, because 766790253 - 2¹ = 766790251 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 766790199 and 766790208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (766790251) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 834825 + ... + 835742.

It is an arithmetic number, because the mean of its divisors is an integer number (75175560).

Almost surely, 2^766790253 is an apocalyptic number.

It is an amenable number.

766790253 is a deficient number, since it is larger than the sum of its proper divisors (436018707).

766790253 is a wasteful number, since it uses less digits than its factorization.

766790253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1670593 (or 1670587 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 766790253 is about 27690.9778267218. The cubic root of 766790253 is about 915.2903029407.

The spelling of 766790253 in words is "seven hundred sixty-six million, seven hundred ninety thousand, two hundred fifty-three".