98688591455 has 16 divisors (see below), whose sum is σ = 120959529984. Its totient is φ = 77262435360.

The previous prime is 98688591439. The next prime is 98688591493. The reversal of 98688591455 is 55419588689.

It is not a de Polignac number, because 98688591455 - 2⁴ = 98688591439 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2812670 + ... + 2847540.

It is an arithmetic number, because the mean of its divisors is an integer number (7559970624).

Almost surely, 2^98688591455 is an apocalyptic number.

98688591455 is a deficient number, since it is larger than the sum of its proper divisors (22270938529).

98688591455 is a wasteful number, since it uses less digits than its factorization.

98688591455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46966.

The product of its digits is 124416000, while the sum is 68.

The spelling of 98688591455 in words is "ninety-eight billion, six hundred eighty-eight million, five hundred ninety-one thousand, four hundred fifty-five".