79952438345 has 8 divisors (see below), whose sum is σ = 103323151176. Its totient is φ = 59041800576.

The previous prime is 79952438257. The next prime is 79952438389. The reversal of 79952438345 is 54383425997.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 593604496 + 79358833849 = 24364^2 + 281707^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 79952438345 - 2¹² = 79952434249 is a prime.

It is a super-2 number, since 2×79952438345² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 615018692 + ... + 615018821.

It is an arithmetic number, because the mean of its divisors is an integer number (12915393897).

Almost surely, 2^79952438345 is an apocalyptic number.

It is an amenable number.

79952438345 is a deficient number, since it is larger than the sum of its proper divisors (23370712831).

79952438345 is a wasteful number, since it uses less digits than its factorization.

79952438345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1230037531.

The product of its digits is 32659200, while the sum is 59.

The spelling of 79952438345 in words is "seventy-nine billion, nine hundred fifty-two million, four hundred thirty-eight thousand, three hundred forty-five".