9908794980 has 72 divisors (see below), whose sum is σ = 34350493632. Its totient is φ = 2264867136.

The previous prime is 9908794919. The next prime is 9908794991. The reversal of 9908794980 is 894978099.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 3930802 + ... + 3933321.

Almost surely, 2^9908794980 is an apocalyptic number.

9908794980 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

9908794980 is an abundant number, since it is smaller than the sum of its proper divisors (24441698652).

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

9908794980 is a wasteful number, since it uses less digits than its factorization.

9908794980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7864145 (or 7864140 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The square root of 9908794980 is about 99542.9303366141. The cubic root of 9908794980 is about 2147.8648339361.

The spelling of 9908794980 in words is "nine billion, nine hundred eight million, seven hundred ninety-four thousand, nine hundred eighty".