7861072082 has 4 divisors (see below), whose sum is σ = 11791608126. Its totient is φ = 3930536040.

The previous prime is 7861072069. The next prime is 7861072127. The reversal of 7861072082 is 2802701687.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 7370050801 + 491021281 = 85849^2 + 22159^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1965268019 + ... + 1965268022.

Almost surely, 2^7861072082 is an apocalyptic number.

7861072082 is a deficient number, since it is larger than the sum of its proper divisors (3930536044).

7861072082 is a wasteful number, since it uses less digits than its factorization.

7861072082 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3930536043.

The product of its (nonzero) digits is 75264, while the sum is 41.

The square root of 7861072082 is about 88662.6870898914. The cubic root of 7861072082 is about 1988.3550021063.

The spelling of 7861072082 in words is "seven billion, eight hundred sixty-one million, seventy-two thousand, eighty-two".