84698225042 has 18 divisors (see below), whose sum is σ = 134098352199. Its totient is φ = 40116507660.

The previous prime is 84698224991. The next prime is 84698225089. The reversal of 84698225042 is 24052289648.

It can be written as a sum of positive squares in only one way, i.e., 42349112521 + 42349112521 = 205789^2 + 205789^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=205789.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 7814567 + ... + 7825397.

Almost surely, 2^84698225042 is an apocalyptic number.

84698225042 is a deficient number, since it is larger than the sum of its proper divisors (49400127157).

84698225042 is an frugal number, since it uses more digits than its factorization.

84698225042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21702 (or 10852 counting only the distinct ones).

The product of its (nonzero) digits is 2211840, while the sum is 50.

Multiplying 84698225042 by its sum of digits (50), we get a square (4234911252100 = 2057890²).

The spelling of 84698225042 in words is "eighty-four billion, six hundred ninety-eight million, two hundred twenty-five thousand, forty-two".