84028615400 has 48 divisors (see below), whose sum is σ = 197263341600. Its totient is φ = 33285113280.

The previous prime is 84028615373. The next prime is 84028615417. The reversal of 84028615400 is 451682048.

It is a happy number.

It is a super-2 number, since 2×84028615400² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2018930 + ... + 2060129.

It is an arithmetic number, because the mean of its divisors is an integer number (4109652950).

Almost surely, 2^84028615400 is an apocalyptic number.

It is an amenable number.

84028615400 is an abundant number, since it is smaller than the sum of its proper divisors (113234726200).

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

84028615400 is a wasteful number, since it uses less digits than its factorization.

84028615400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4079178 (or 4079169 counting only the distinct ones).

The product of its (nonzero) digits is 61440, while the sum is 38.

The spelling of 84028615400 in words is "eighty-four billion, twenty-eight million, six hundred fifteen thousand, four hundred".