785927397 has 16 divisors (see below), whose sum is σ = 1077163200. Its totient is φ = 509346432.

The previous prime is 785927339. The next prime is 785927413. The reversal of 785927397 is 793729587.

It is not a de Polignac number, because 785927397 - 2¹⁸ = 785665253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (785927327) 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, 166729 + ... + 171377.

It is an arithmetic number, because the mean of its divisors is an integer number (67322700).

Almost surely, 2^785927397 is an apocalyptic number.

It is an amenable number.

785927397 is a deficient number, since it is larger than the sum of its proper divisors (291235803).

785927397 is a wasteful number, since it uses less digits than its factorization.

785927397 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6212.

The product of its digits is 6667920, while the sum is 57.

The square root of 785927397 is about 28034.3966762262. The cubic root of 785927397 is about 922.8422642848.

The spelling of 785927397 in words is "seven hundred eighty-five million, nine hundred twenty-seven thousand, three hundred ninety-seven".