98951139225 has 81 divisors (see below), whose sum is σ = 180493879293. Its totient is φ = 51820179840.

The previous prime is 98951139173. The next prime is 98951139239. The reversal of 98951139225 is 52293115989.

It is a happy number.

The square root of 98951139225 is 314565.

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

98951139225 is a `hidden beast` number, since 98 + 9 + 511 + 39 + 2 + 2 + 5 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 55588907529 + 43362231696 = 235773^2 + 208236^2 .

It is not a de Polignac number, because 98951139225 - 2¹⁹ = 98950614937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 316137669 + ... + 316137981.

Almost surely, 2^98951139225 is an apocalyptic number.

98951139225 is the 314565-th square number.

98951139225 is the 157283-rd centered octagonal number.

It is an amenable number.

98951139225 is a deficient number, since it is larger than the sum of its proper divisors (81542740068).

98951139225 is an equidigital number, since it uses as much as digits as its factorization.

98951139225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 776 (or 388 counting only the distinct ones).

The product of its digits is 1749600, while the sum is 54.

The spelling of 98951139225 in words is "ninety-eight billion, nine hundred fifty-one million, one hundred thirty-nine thousand, two hundred twenty-five".