84745949340 has 48 divisors (see below), whose sum is σ = 255541634208. Its totient is φ = 20860541184.

The previous prime is 84745949329. The next prime is 84745949347. The reversal of 84745949340 is 4394954748.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84745949347) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 54323547 + ... + 54325106.

It is an arithmetic number, because the mean of its divisors is an integer number (5323784046).

Almost surely, 2^84745949340 is an apocalyptic number.

It is an amenable number.

84745949340 is an abundant number, since it is smaller than the sum of its proper divisors (170795684868).

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

84745949340 is a wasteful number, since it uses less digits than its factorization.

84745949340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 108648678 (or 108648676 counting only the distinct ones).

The product of its (nonzero) digits is 17418240, while the sum is 57.

The spelling of 84745949340 in words is "eighty-four billion, seven hundred forty-five million, nine hundred forty-nine thousand, three hundred forty".