84989313450 has 48 divisors (see below), whose sum is σ = 234192778560. Its totient is φ = 22663816560.

The previous prime is 84989313419. The next prime is 84989313457. The reversal of 84989313450 is 5431398948.

84989313450 is a `hidden beast` number, since 8 + 4 + 98 + 93 + 13 + 450 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (84989313457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 31476174 + ... + 31478873.

It is an arithmetic number, because the mean of its divisors is an integer number (4879016220).

Almost surely, 2^84989313450 is an apocalyptic number.

84989313450 is an abundant number, since it is smaller than the sum of its proper divisors (149203465110).

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

84989313450 is a wasteful number, since it uses less digits than its factorization.

84989313450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62955068 (or 62955057 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 84989313450 in words is "eighty-four billion, nine hundred eighty-nine million, three hundred thirteen thousand, four hundred fifty".