5464678257 has 16 divisors (see below), whose sum is σ = 8150160000. Its totient is φ = 3618665712.

The previous prime is 5464678183. The next prime is 5464678273. The reversal of 5464678257 is 7528764645.

It is a happy number.

5464678257 is a `hidden beast` number, since 54 + 6 + 467 + 82 + 57 = 666.

It is not a de Polignac number, because 5464678257 - 2¹⁵ = 5464645489 is a prime.

It is not an unprimeable number, because it can be changed into a prime (5464673257) 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, 675157 + ... + 683202.

It is an arithmetic number, because the mean of its divisors is an integer number (509385000).

Almost surely, 2^5464678257 is an apocalyptic number.

It is an amenable number.

5464678257 is a deficient number, since it is larger than the sum of its proper divisors (2685481743).

5464678257 is a wasteful number, since it uses less digits than its factorization.

5464678257 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1358517 (or 1358511 counting only the distinct ones).

The product of its digits is 11289600, while the sum is 54.

The square root of 5464678257 is about 73923.4621551237. The cubic root of 5464678257 is about 1761.3873205207.

The spelling of 5464678257 in words is "five billion, four hundred sixty-four million, six hundred seventy-eight thousand, two hundred fifty-seven".