9981254700 has 72 divisors (see below), whose sum is σ = 32087894160. Its totient is φ = 2661667200.

The previous prime is 9981254671. The next prime is 9981254753. The reversal of 9981254700 is 74521899.

9981254700 is a `hidden beast` number, since 9 + 98 + 12 + 547 + 0 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

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, 1845681 + ... + 1851080.

Almost surely, 2^9981254700 is an apocalyptic number.

9981254700 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9981254700 is an abundant number, since it is smaller than the sum of its proper divisors (22106639460).

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

9981254700 is a wasteful number, since it uses less digits than its factorization.

9981254700 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3696784 (or 3696771 counting only the distinct ones).

The product of its (nonzero) digits is 181440, while the sum is 45.

The square root of 9981254700 is about 99906.2295354999. The cubic root of 9981254700 is about 2153.0876638474.

The spelling of 9981254700 in words is "nine billion, nine hundred eighty-one million, two hundred fifty-four thousand, seven hundred".