98782556 has 12 divisors (see below), whose sum is σ = 173559960. Its totient is φ = 49194000.

The previous prime is 98782553. The next prime is 98782559. The reversal of 98782556 is 65528789.

It is an interprime number because it is at equal distance from previous prime (98782553) and next prime (98782559).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98782553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 48191 + ... + 50198.

It is an arithmetic number, because the mean of its divisors is an integer number (14463330).

Almost surely, 2^98782556 is an apocalyptic number.

It is an amenable number.

98782556 is a deficient number, since it is larger than the sum of its proper divisors (74777404).

98782556 is a wasteful number, since it uses less digits than its factorization.

98782556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98644 (or 98642 counting only the distinct ones).

The product of its digits is 1209600, while the sum is 50.

The square root of 98782556 is about 9938.9413923214. The cubic root of 98782556 is about 462.2675623858.

The spelling of 98782556 in words is "ninety-eight million, seven hundred eighty-two thousand, five hundred fifty-six".