98780542 has 16 divisors (see below), whose sum is σ = 169660800. Its totient is φ = 42253848.

The previous prime is 98780531. The next prime is 98780551. The reversal of 98780542 is 24508789.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1209 + ... + 14107.

It is an arithmetic number, because the mean of its divisors is an integer number (10603800).

Almost surely, 2^98780542 is an apocalyptic number.

98780542 is a deficient number, since it is larger than the sum of its proper divisors (70880258).

98780542 is a wasteful number, since it uses less digits than its factorization.

98780542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13455.

The product of its (nonzero) digits is 161280, while the sum is 43.

The square root of 98780542 is about 9938.8400731675. The cubic root of 98780542 is about 462.2644207609.

The spelling of 98780542 in words is "ninety-eight million, seven hundred eighty thousand, five hundred forty-two".