98798523651 has 12 divisors (see below), whose sum is σ = 142777385712. Its totient is φ = 65834109936.

The previous prime is 98798523641. The next prime is 98798523667. The reversal of 98798523651 is 15632589789.

It is not a de Polignac number, because 98798523651 - 2¹⁷ = 98798392579 is a prime.

It is a super-2 number, since 2×98798523651² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (98798523641) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2611216 + ... + 2648781.

It is an arithmetic number, because the mean of its divisors is an integer number (11898115476).

Almost surely, 2^98798523651 is an apocalyptic number.

98798523651 is a deficient number, since it is larger than the sum of its proper divisors (43978862061).

98798523651 is a wasteful number, since it uses less digits than its factorization.

98798523651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5262090 (or 5262087 counting only the distinct ones).

The product of its digits is 32659200, while the sum is 63.

The spelling of 98798523651 in words is "ninety-eight billion, seven hundred ninety-eight million, five hundred twenty-three thousand, six hundred fifty-one".