84084122740 has 24 divisors (see below), whose sum is σ = 176598374400. Its totient is φ = 33629512608.

The previous prime is 84084122737. The next prime is 84084122743. The reversal of 84084122740 is 4722148048.

It is an interprime number because it is at equal distance from previous prime (84084122737) and next prime (84084122743).

It is a junction number, because it is equal to n+sod(n) for n = 84084122693 and 84084122702.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (84084122743) 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, 89140 + ... + 419659.

It is an arithmetic number, because the mean of its divisors is an integer number (7358265600).

Almost surely, 2^84084122740 is an apocalyptic number.

It is an amenable number.

84084122740 is an abundant number, since it is smaller than the sum of its proper divisors (92514251660).

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

84084122740 is a wasteful number, since it uses less digits than its factorization.

84084122740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 517071 (or 517069 counting only the distinct ones).

The product of its (nonzero) digits is 114688, while the sum is 40.

The spelling of 84084122740 in words is "eighty-four billion, eighty-four million, one hundred twenty-two thousand, seven hundred forty".