5215277808 has 270 divisors, whose sum is σ = 16404137568. Its totient is φ = 1545972480.

The previous prime is 5215277797. The next prime is 5215277827. The reversal of 5215277808 is 8087725125.

5215277808 is a `hidden beast` number, since 52 + 1 + 527 + 78 + 0 + 8 = 666.

It is a super-2 number, since 2×5215277808² = 54398245229234569728, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 23386785 + ... + 23387007.

Almost surely, 2^5215277808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5215277808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8202068784).

5215277808 is an abundant number, since it is smaller than the sum of its proper divisors (11188859760).

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

5215277808 is a wasteful number, since it uses less digits than its factorization.

5215277808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 325 (or 272 counting only the distinct ones).

The product of its (nonzero) digits is 313600, while the sum is 45.

The square root of 5215277808 is about 72216.8803535572. The cubic root of 5215277808 is about 1734.1732484951.

The spelling of 5215277808 in words is "five billion, two hundred fifteen million, two hundred seventy-seven thousand, eight hundred eight".