79071540854 has 16 divisors (see below), whose sum is σ = 120702908160. Its totient is φ = 38841174120.

The previous prime is 79071540851. The next prime is 79071540869. The reversal of 79071540854 is 45804517097.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79071540851) 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, 943634 + ... + 1024005.

It is an arithmetic number, because the mean of its divisors is an integer number (7543931760).

Almost surely, 2^79071540854 is an apocalyptic number.

79071540854 is a deficient number, since it is larger than the sum of its proper divisors (41631367306).

79071540854 is a wasteful number, since it uses less digits than its factorization.

79071540854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1967995.

The product of its (nonzero) digits is 1411200, while the sum is 50.

The spelling of 79071540854 in words is "seventy-nine billion, seventy-one million, five hundred forty thousand, eight hundred fifty-four".