84080400004 has 24 divisors (see below), whose sum is σ = 147493041920. Its totient is φ = 41939591616.

The previous prime is 84080399999. The next prime is 84080400023. The reversal of 84080400004 is 40000408048.

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, 7897717 + ... + 7908355.

Almost surely, 2^84080400004 is an apocalyptic number.

It is an amenable number.

84080400004 is a deficient number, since it is larger than the sum of its proper divisors (63412641916).

84080400004 is a wasteful number, since it uses less digits than its factorization.

84080400004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15187 (or 15185 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 28.

The spelling of 84080400004 in words is "eighty-four billion, eighty million, four hundred thousand, four".