98764323840 has 880 divisors, whose sum is σ = 435754748352. Its totient is φ = 20830224384.

The previous prime is 98764323817. The next prime is 98764323881. The reversal of 98764323840 is 4832346789.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 37738212 + ... + 37740828.

Almost surely, 2^98764323840 is an apocalyptic number.

98764323840 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 98764323840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (217877374176).

98764323840 is an abundant number, since it is smaller than the sum of its proper divisors (336990424512).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

98764323840 is a wasteful number, since it uses less digits than its factorization.

98764323840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2674 (or 2647 counting only the distinct ones).

The product of its (nonzero) digits is 6967296, while the sum is 54.

The spelling of 98764323840 in words is "ninety-eight billion, seven hundred sixty-four million, three hundred twenty-three thousand, eight hundred forty".