98406591025 has 24 divisors (see below), whose sum is σ = 126254419200. Its totient is φ = 75997051200.

The previous prime is 98406591011. The next prime is 98406591061. The reversal of 98406591025 is 52019560489.

It is not a de Polignac number, because 98406591025 - 2⁵ = 98406590993 is a prime.

It is a super-2 number, since 2×98406591025² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 98406591025.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6386080 + ... + 6401470.

It is an arithmetic number, because the mean of its divisors is an integer number (5260600800).

Almost surely, 2^98406591025 is an apocalyptic number.

It is an amenable number.

98406591025 is a deficient number, since it is larger than the sum of its proper divisors (27847828175).

98406591025 is a wasteful number, since it uses less digits than its factorization.

98406591025 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24249 (or 24244 counting only the distinct ones).

The product of its (nonzero) digits is 777600, while the sum is 49.

The spelling of 98406591025 in words is "ninety-eight billion, four hundred six million, five hundred ninety-one thousand, twenty-five".