84399546256 has 45 divisors (see below), whose sum is σ = 166477930203. Its totient is φ = 41450822880.

The previous prime is 84399546251. The next prime is 84399546271. The reversal of 84399546256 is 65264599348.

The square root of 84399546256 is 290516.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 84399546194 and 84399546203.

It is not an unprimeable number, because it can be changed into a prime (84399546251) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 68561161 + ... + 68562391.

Almost surely, 2^84399546256 is an apocalyptic number.

84399546256 is the 290516-th square number.

It is an amenable number.

84399546256 is a deficient number, since it is larger than the sum of its proper divisors (82078383947).

84399546256 is an frugal number, since it uses more digits than its factorization.

84399546256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2588 (or 1292 counting only the distinct ones).

The product of its digits is 55987200, while the sum is 61.

The spelling of 84399546256 in words is "eighty-four billion, three hundred ninety-nine million, five hundred forty-six thousand, two hundred fifty-six".