7798724415 has 64 divisors (see below), whose sum is σ = 14698108800. Its totient is φ = 3909814272.

The previous prime is 7798724407. The next prime is 7798724473. The reversal of 7798724415 is 5144278977.

7798724415 is a `hidden beast` number, since 77 + 98 + 72 + 4 + 415 = 666.

It is not a de Polignac number, because 7798724415 - 2³ = 7798724407 is a prime.

It is a super-2 number, since 2×7798724415² (a number of 21 digits) 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 63 ways as a sum of consecutive naturals, for example, 2506881 + ... + 2509989.

It is an arithmetic number, because the mean of its divisors is an integer number (229657950).

Almost surely, 2^7798724415 is an apocalyptic number.

7798724415 is a deficient number, since it is larger than the sum of its proper divisors (6899384385).

7798724415 is a wasteful number, since it uses less digits than its factorization.

7798724415 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4233 (or 4227 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 54.

The square root of 7798724415 is about 88310.3867900034. The cubic root of 7798724415 is about 1983.0843686425.

The spelling of 7798724415 in words is "seven billion, seven hundred ninety-eight million, seven hundred twenty-four thousand, four hundred fifteen".