98520879 has 8 divisors (see below), whose sum is σ = 131411632. Its totient is φ = 65655360.

The previous prime is 98520857. The next prime is 98520881. The reversal of 98520879 is 97802589.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 98520879 - 2¹² = 98516783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98520809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6549 + ... + 15489.

It is an arithmetic number, because the mean of its divisors is an integer number (16426454).

Almost surely, 2^98520879 is an apocalyptic number.

98520879 is a deficient number, since it is larger than the sum of its proper divisors (32890753).

98520879 is a wasteful number, since it uses less digits than its factorization.

98520879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12617.

The product of its (nonzero) digits is 362880, while the sum is 48.

The square root of 98520879 is about 9925.7684337284. The cubic root of 98520879 is about 461.8590160323.

It can be divided in two parts, 98520 and 879, that added together give a palindrome (99399).

The spelling of 98520879 in words is "ninety-eight million, five hundred twenty thousand, eight hundred seventy-nine".