7791138632 has 64 divisors (see below), whose sum is σ = 15634080000. Its totient is φ = 3629283840.

The previous prime is 7791138571. The next prime is 7791138673. The reversal of 7791138632 is 2368311977.

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, 3373094 + ... + 3375402.

It is an arithmetic number, because the mean of its divisors is an integer number (244282500).

Almost surely, 2^7791138632 is an apocalyptic number.

It is an amenable number.

7791138632 is an abundant number, since it is smaller than the sum of its proper divisors (7842941368).

7791138632 is a wasteful number, since it uses less digits than its factorization.

7791138632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2694 (or 2690 counting only the distinct ones).

The product of its digits is 381024, while the sum is 47.

The square root of 7791138632 is about 88267.4267892749. The cubic root of 7791138632 is about 1982.4411810720.

The spelling of 7791138632 in words is "seven billion, seven hundred ninety-one million, one hundred thirty-eight thousand, six hundred thirty-two".