98780871 has 16 divisors (see below), whose sum is σ = 151858944. Its totient is φ = 55945344.

The previous prime is 98780831. The next prime is 98780881. The reversal of 98780871 is 17808789.

It is not a de Polignac number, because 98780871 - 2⁷ = 98780743 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 98780871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (98780831) 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, 18441 + ... + 23186.

It is an arithmetic number, because the mean of its divisors is an integer number (9491184).

Almost surely, 2^98780871 is an apocalyptic number.

98780871 is a deficient number, since it is larger than the sum of its proper divisors (53078073).

98780871 is a wasteful number, since it uses less digits than its factorization.

98780871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41750.

The product of its (nonzero) digits is 225792, while the sum is 48.

The square root of 98780871 is about 9938.8566243809. The cubic root of 98780871 is about 462.2649339687.

The spelling of 98780871 in words is "ninety-eight million, seven hundred eighty thousand, eight hundred seventy-one".