7979099662 has 4 divisors (see below), whose sum is σ = 11968649496. Its totient is φ = 3989549830.

The previous prime is 7979099657. The next prime is 7979099663. The reversal of 7979099662 is 2669909797.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×7979099662² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7979099594 and 7979099603.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7979099663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1994774914 + ... + 1994774917.

It is an arithmetic number, because the mean of its divisors is an integer number (2992162374).

Almost surely, 2^7979099662 is an apocalyptic number.

7979099662 is a deficient number, since it is larger than the sum of its proper divisors (3989549834).

7979099662 is a wasteful number, since it uses less digits than its factorization.

7979099662 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3989549833.

The product of its (nonzero) digits is 23147208, while the sum is 64.

The square root of 7979099662 is about 89325.8062488103. The cubic root of 7979099662 is about 1998.2567862109.

The spelling of 7979099662 in words is "seven billion, nine hundred seventy-nine million, ninety-nine thousand, six hundred sixty-two".