79394183925 has 48 divisors (see below), whose sum is σ = 150915674112. Its totient is φ = 36077112000.

The previous prime is 79394183899. The next prime is 79394183983. The reversal of 79394183925 is 52938149397.

It is not a de Polignac number, because 79394183925 - 2¹⁵ = 79394151157 is a prime.

It is a super-2 number, since 2×79394183925² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 365101 + ... + 540450.

It is an arithmetic number, because the mean of its divisors is an integer number (3144076544).

Almost surely, 2^79394183925 is an apocalyptic number.

79394183925 is a gapful number since it is divisible by the number (75) formed by its first and last digit.

It is an amenable number.

79394183925 is a deficient number, since it is larger than the sum of its proper divisors (71521490187).

79394183925 is a wasteful number, since it uses less digits than its factorization.

79394183925 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 905738 (or 905733 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The spelling of 79394183925 in words is "seventy-nine billion, three hundred ninety-four million, one hundred eighty-three thousand, nine hundred twenty-five".