79805155190 has 8 divisors (see below), whose sum is σ = 143649279360. Its totient is φ = 31922062072.

The previous prime is 79805155189. The next prime is 79805155217. The reversal of 79805155190 is 9155150897.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×79805155190² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3990257750 + ... + 3990257769.

It is an arithmetic number, because the mean of its divisors is an integer number (17956159920).

Almost surely, 2^79805155190 is an apocalyptic number.

79805155190 is a deficient number, since it is larger than the sum of its proper divisors (63844124170).

79805155190 is a wasteful number, since it uses less digits than its factorization.

79805155190 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7980515526.

The product of its (nonzero) digits is 567000, while the sum is 50.

The spelling of 79805155190 in words is "seventy-nine billion, eight hundred five million, one hundred fifty-five thousand, one hundred ninety".