7866428876 has 6 divisors (see below), whose sum is σ = 13766250540. Its totient is φ = 3933214436.

The previous prime is 7866428831. The next prime is 7866428891. The reversal of 7866428876 is 6788246687.

It is a super-2 number, since 2×7866428876² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 983303606 + ... + 983303613.

It is an arithmetic number, because the mean of its divisors is an integer number (2294375090).

Almost surely, 2^7866428876 is an apocalyptic number.

It is an amenable number.

7866428876 is a deficient number, since it is larger than the sum of its proper divisors (5899821664).

7866428876 is a wasteful number, since it uses less digits than its factorization.

7866428876 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966607223 (or 1966607221 counting only the distinct ones).

The product of its digits is 43352064, while the sum is 62.

The square root of 7866428876 is about 88692.8907861278. The cubic root of 7866428876 is about 1988.8065431340.

The spelling of 7866428876 in words is "seven billion, eight hundred sixty-six million, four hundred twenty-eight thousand, eight hundred seventy-six".