84406120772 has 24 divisors (see below), whose sum is σ = 148418288256. Its totient is φ = 42001378848.

The previous prime is 84406120769. The next prime is 84406120789. The reversal of 84406120772 is 27702160448.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 643493 + ... + 763475.

It is an arithmetic number, because the mean of its divisors is an integer number (6184095344).

Almost surely, 2^84406120772 is an apocalyptic number.

It is an amenable number.

84406120772 is a deficient number, since it is larger than the sum of its proper divisors (64012167484).

84406120772 is a wasteful number, since it uses less digits than its factorization.

84406120772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120827 (or 120825 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 41.

The spelling of 84406120772 in words is "eighty-four billion, four hundred six million, one hundred twenty thousand, seven hundred seventy-two".