79954038373 has 4 divisors (see below), whose sum is σ = 87222587328. Its totient is φ = 72685489420.

The previous prime is 79954038341. The next prime is 79954038383. The reversal of 79954038373 is 37383045997.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 79954038373 - 2⁵ = 79954038341 is a prime.

It is a super-3 number, since 3×79954038373³ (a number of 34 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79954038323) 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 in 3 ways as a sum of consecutive naturals, for example, 3634274461 + ... + 3634274482.

It is an arithmetic number, because the mean of its divisors is an integer number (21805646832).

Almost surely, 2^79954038373 is an apocalyptic number.

It is an amenable number.

79954038373 is a deficient number, since it is larger than the sum of its proper divisors (7268548955).

79954038373 is a wasteful number, since it uses less digits than its factorization.

79954038373 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7268548954.

The product of its (nonzero) digits is 17146080, while the sum is 58.

The spelling of 79954038373 in words is "seventy-nine billion, nine hundred fifty-four million, thirty-eight thousand, three hundred seventy-three".