98879431401 has 15 divisors (see below), whose sum is σ = 147713007981. Its totient is φ = 65917734228.

The previous prime is 98879431379. The next prime is 98879431447. The reversal of 98879431401 is 10413497889.

The square root of 98879431401 is 314451.

It is a perfect power (a square), and thus also a powerful number.

98879431401 is a `hidden beast` number, since 98 + 87 + 9 + 431 + 40 + 1 = 666.

It is not a de Polignac number, because 98879431401 - 2⁹ = 98879430889 is a prime.

It is not an unprimeable number, because it can be changed into a prime (98879431451) by changing a digit.

It is a polite number, since it can be written in 14 ways as a sum of consecutive naturals, for example, 2812590 + ... + 2847528.

Almost surely, 2^98879431401 is an apocalyptic number.

98879431401 is the 314451-st square number.

98879431401 is the 157226-th centered octagonal number.

It is an amenable number.

98879431401 is a deficient number, since it is larger than the sum of its proper divisors (48833576580).

98879431401 is an frugal number, since it uses more digits than its factorization.

98879431401 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69890 (or 34942 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 54.

The spelling of 98879431401 in words is "ninety-eight billion, eight hundred seventy-nine million, four hundred thirty-one thousand, four hundred one".