464407857 has 16 divisors (see below), whose sum is σ = 690471360. Its totient is φ = 308498400.

The previous prime is 464407849. The next prime is 464407877. The reversal of 464407857 is 758704464.

It is not a de Polignac number, because 464407857 - 2³ = 464407849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (464407817) 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, 23019 + ... + 38192.

It is an arithmetic number, because the mean of its divisors is an integer number (43154460).

Almost surely, 2^464407857 is an apocalyptic number.

It is an amenable number.

464407857 is a deficient number, since it is larger than the sum of its proper divisors (226063503).

464407857 is a wasteful number, since it uses less digits than its factorization.

464407857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61501 (or 61495 counting only the distinct ones).

The product of its (nonzero) digits is 752640, while the sum is 45.

The square root of 464407857 is about 21550.1242919850. The cubic root of 464407857 is about 774.4020956228.

It can be divided in two parts, 464 and 407857, that added together give a square (408321 = 639²).

The spelling of 464407857 in words is "four hundred sixty-four million, four hundred seven thousand, eight hundred fifty-seven".