84713038078 has 4 divisors (see below), whose sum is σ = 127069557120. Its totient is φ = 42356519038.

The previous prime is 84713038037. The next prime is 84713038093. The reversal of 84713038078 is 87083031748.

It is a semiprime because it is the product of two primes.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 21178259518 + ... + 21178259521.

It is an arithmetic number, because the mean of its divisors is an integer number (31767389280).

Almost surely, 2^84713038078 is an apocalyptic number.

84713038078 is a deficient number, since it is larger than the sum of its proper divisors (42356519042).

84713038078 is a wasteful number, since it uses less digits than its factorization.

84713038078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42356519041.

The product of its (nonzero) digits is 903168, while the sum is 49.

The spelling of 84713038078 in words is "eighty-four billion, seven hundred thirteen million, thirty-eight thousand, seventy-eight".