7816862038 has 16 divisors (see below), whose sum is σ = 12422440800. Its totient is φ = 3676323456.

The previous prime is 7816861999. The next prime is 7816862047. The reversal of 7816862038 is 8302686187.

It is a super-2 number, since 2×7816862038² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7816861982 and 7816862000.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10338 + ... + 125461.

It is an arithmetic number, because the mean of its divisors is an integer number (776402550).

Almost surely, 2^7816862038 is an apocalyptic number.

7816862038 is a deficient number, since it is larger than the sum of its proper divisors (4605578762).

7816862038 is a wasteful number, since it uses less digits than its factorization.

7816862038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 137511.

The product of its (nonzero) digits is 774144, while the sum is 49.

The square root of 7816862038 is about 88413.0196181535. The cubic root of 7816862038 is about 1984.6205424484.

The spelling of 7816862038 in words is "seven billion, eight hundred sixteen million, eight hundred sixty-two thousand, thirty-eight".