768454431 has 16 divisors (see below), whose sum is σ = 1051868160. Its totient is φ = 498726080.

The previous prime is 768454399. The next prime is 768454433. The reversal of 768454431 is 134454867.

It is a cyclic number.

It is not a de Polignac number, because 768454431 - 2⁵ = 768454399 is a prime.

It is a super-2 number, since 2×768454431² = 1181044425047067522, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (768454433) 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, 52396 + ... + 65438.

It is an arithmetic number, because the mean of its divisors is an integer number (65741760).

Almost surely, 2^768454431 is an apocalyptic number.

768454431 is a deficient number, since it is larger than the sum of its proper divisors (283413729).

768454431 is a wasteful number, since it uses less digits than its factorization.

768454431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13566.

The product of its digits is 322560, while the sum is 42.

The square root of 768454431 is about 27721.0106417497. The cubic root of 768454431 is about 915.9519812201.

The spelling of 768454431 in words is "seven hundred sixty-eight million, four hundred fifty-four thousand, four hundred thirty-one".