7917794738 has 32 divisors (see below), whose sum is σ = 13726540800. Its totient is φ = 3355254720.

The previous prime is 7917794737. The next prime is 7917794783. The reversal of 7917794738 is 8374977197.

It is not an unprimeable number, because it can be changed into a prime (7917794737) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 456668 + ... + 473688.

It is an arithmetic number, because the mean of its divisors is an integer number (428954400).

Almost surely, 2^7917794738 is an apocalyptic number.

7917794738 is a deficient number, since it is larger than the sum of its proper divisors (5808746062).

7917794738 is a wasteful number, since it uses less digits than its factorization.

7917794738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17402.

The product of its digits is 18670176, while the sum is 62.

The square root of 7917794738 is about 88981.9910880848. The cubic root of 7917794738 is about 1993.1259623712.

The spelling of 7917794738 in words is "seven billion, nine hundred seventeen million, seven hundred ninety-four thousand, seven hundred thirty-eight".