5213726478 has 24 divisors (see below), whose sum is σ = 11297878488. Its totient is φ = 1737682512.

The previous prime is 5213726461. The next prime is 5213726489. The reversal of 5213726478 is 8746273125.

5213726478 is a `hidden beast` number, since 521 + 37 + 26 + 4 + 78 = 666.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 179701 + ... + 206687.

It is an arithmetic number, because the mean of its divisors is an integer number (470744937).

Almost surely, 2^5213726478 is an apocalyptic number.

5213726478 is an abundant number, since it is smaller than the sum of its proper divisors (6084152010).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5213726478 is a wasteful number, since it uses less digits than its factorization.

5213726478 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37728 (or 37725 counting only the distinct ones).

The product of its digits is 564480, while the sum is 45.

The square root of 5213726478 is about 72206.1387833472. The cubic root of 5213726478 is about 1734.0012831095.

The spelling of 5213726478 in words is "five billion, two hundred thirteen million, seven hundred twenty-six thousand, four hundred seventy-eight".