98775980 has 48 divisors (see below), whose sum is σ = 211903776. Its totient is φ = 38668800.

The previous prime is 98775949. The next prime is 98775983. The reversal of 98775980 is 8957789.

It is not an unprimeable number, because it can be changed into a prime (98775983) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 215912 + ... + 216368.

It is an arithmetic number, because the mean of its divisors is an integer number (4414662).

Almost surely, 2^98775980 is an apocalyptic number.

It is an amenable number.

98775980 is an abundant number, since it is smaller than the sum of its proper divisors (113127796).

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

98775980 is a wasteful number, since it uses less digits than its factorization.

98775980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674 (or 672 counting only the distinct ones).

The product of its (nonzero) digits is 1270080, while the sum is 53.

The square root of 98775980 is about 9938.6105668750. The cubic root of 98775980 is about 462.2573043704.

It can be divided in two parts, 987 and 75980, that added together give a palindrome (76967).

The spelling of 98775980 in words is "ninety-eight million, seven hundred seventy-five thousand, nine hundred eighty".