7974518797 has 16 divisors (see below), whose sum is σ = 9652303872. Its totient is φ = 6431581440.

The previous prime is 7974518749. The next prime is 7974518813. The reversal of 7974518797 is 7978154797.

It is a happy number.

7974518797 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a de Polignac number, because none of the positive numbers 2^k-7974518797 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7974518707) 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, 714772 + ... + 725842.

It is an arithmetic number, because the mean of its divisors is an integer number (603268992).

Almost surely, 2^7974518797 is an apocalyptic number.

It is an amenable number.

7974518797 is a deficient number, since it is larger than the sum of its proper divisors (1677785075).

7974518797 is a wasteful number, since it uses less digits than its factorization.

7974518797 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17148.

The product of its digits is 31116960, while the sum is 64.

The square root of 7974518797 is about 89300.1612372565. The cubic root of 7974518797 is about 1997.8743079337.

The spelling of 7974518797 in words is "seven billion, nine hundred seventy-four million, five hundred eighteen thousand, seven hundred ninety-seven".