83744107376406 has 64 divisors (see below), whose sum is σ = 177544822311360. Its totient is φ = 26242402222080.

The previous prime is 83744107376401. The next prime is 83744107376411. The reversal of 83744107376406 is 60467370144738.

It is an interprime number because it is at equal distance from previous prime (83744107376401) and next prime (83744107376411).

It is a self number, because there is not a number n which added to its sum of digits gives 83744107376406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83744107376401) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327693030 + ... + 327948486.

It is an arithmetic number, because the mean of its divisors is an integer number (2774137848615).

Almost surely, 2^{83744107376406} is an apocalyptic number.

83744107376406 is an abundant number, since it is smaller than the sum of its proper divisors (93800714934954).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83744107376406 is a wasteful number, since it uses less digits than its factorization.

83744107376406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259169.

The product of its (nonzero) digits is 56899584, while the sum is 60.

The spelling of 83744107376406 in words is "eighty-three trillion, seven hundred forty-four billion, one hundred seven million, three hundred seventy-six thousand, four hundred six".