98739507 has 6 divisors (see below), whose sum is σ = 131675628. Its totient is φ = 65814864.

The previous prime is 98739497. The next prime is 98739601. The reversal of 98739507 is 70593789.

It is not a de Polignac number, because 98739507 - 2¹⁵ = 98706739 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98739007) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14343 + ... + 20079.

It is an arithmetic number, because the mean of its divisors is an integer number (21945938).

Almost surely, 2^98739507 is an apocalyptic number.

98739507 is a deficient number, since it is larger than the sum of its proper divisors (32936121).

98739507 is an frugal number, since it uses more digits than its factorization.

98739507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11477 (or 5740 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 98739507 is about 9936.7754830226. The cubic root of 98739507 is about 462.2004012439.

Multiplying 98739507 by its sum of digits (48), we get a square (4739496336 = 68844²).

The spelling of 98739507 in words is "ninety-eight million, seven hundred thirty-nine thousand, five hundred seven".