98400294785 has 24 divisors (see below), whose sum is σ = 128317493304. Its totient is φ = 72406064640.

The previous prime is 98400294781. The next prime is 98400294803. The reversal of 98400294785 is 58749200489.

It can be written as a sum of positive squares in 12 ways, for example, as 73883937856 + 24516356929 = 271816^2 + 156577^2 .

It is not a de Polignac number, because 98400294785 - 2² = 98400294781 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98400294785.

It is not an unprimeable number, because it can be changed into a prime (98400294781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30239 + ... + 444651.

It is an arithmetic number, because the mean of its divisors is an integer number (5346562221).

Almost surely, 2^98400294785 is an apocalyptic number.

It is an amenable number.

98400294785 is a deficient number, since it is larger than the sum of its proper divisors (29917198519).

98400294785 is a wasteful number, since it uses less digits than its factorization.

98400294785 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 414725 (or 414712 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 56.

The spelling of 98400294785 in words is "ninety-eight billion, four hundred million, two hundred ninety-four thousand, seven hundred eighty-five".