98781417 has 32 divisors (see below), whose sum is σ = 168364800. Its totient is φ = 56070144.

The previous prime is 98781413. The next prime is 98781427. The reversal of 98781417 is 71418789.

It is not a de Polignac number, because 98781417 - 2² = 98781413 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98781413) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 28009 + ... + 31337.

It is an arithmetic number, because the mean of its divisors is an integer number (5261400).

Almost surely, 2^98781417 is an apocalyptic number.

It is an amenable number.

98781417 is a deficient number, since it is larger than the sum of its proper divisors (69583383).

98781417 is a wasteful number, since it uses less digits than its factorization.

98781417 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3502 (or 3496 counting only the distinct ones).

The product of its digits is 112896, while the sum is 45.

The square root of 98781417 is about 9938.8840922912. The cubic root of 98781417 is about 462.2657856727.

The spelling of 98781417 in words is "ninety-eight million, seven hundred eighty-one thousand, four hundred seventeen".