7866650954 has 32 divisors (see below), whose sum is σ = 12616611840. Its totient is φ = 3670531200.

The previous prime is 7866650947. The next prime is 7866650977. The reversal of 7866650954 is 4590566687.

It is a happy number.

It is a super-2 number, since 2×7866650954² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 7866650954.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1711199 + ... + 1715789.

It is an arithmetic number, because the mean of its divisors is an integer number (394269120).

Almost surely, 2^7866650954 is an apocalyptic number.

7866650954 is a deficient number, since it is larger than the sum of its proper divisors (4749960886).

7866650954 is a wasteful number, since it uses less digits than its factorization.

7866650954 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5606.

The product of its (nonzero) digits is 10886400, while the sum is 56.

The square root of 7866650954 is about 88694.1427265634. The cubic root of 7866650954 is about 1988.8252583617.

The spelling of 7866650954 in words is "seven billion, eight hundred sixty-six million, six hundred fifty thousand, nine hundred fifty-four".