79983335168542 has 16 divisors (see below), whose sum is σ = 133371715220352. Its totient is φ = 35724566576160.

The previous prime is 79983335168509. The next prime is 79983335168549. The reversal of 79983335168542 is 24586153338997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79983335168549) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49617452773 + ... + 49617454384.

It is an arithmetic number, because the mean of its divisors is an integer number (8335732201272).

Almost surely, 2^{79983335168542} is an apocalyptic number.

79983335168542 is a deficient number, since it is larger than the sum of its proper divisors (53388380051810).

79983335168542 is a wasteful number, since it uses less digits than its factorization.

79983335168542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 99234907203.

The product of its digits is 1175731200, while the sum is 73.

The spelling of 79983335168542 in words is "seventy-nine trillion, nine hundred eighty-three billion, three hundred thirty-five million, one hundred sixty-eight thousand, five hundred forty-two".