398877574823 has 8 divisors (see below), whose sum is σ = 490926246048. Its totient is φ = 315595443744.

The previous prime is 398877574807. The next prime is 398877574841. The reversal of 398877574823 is 328475778893.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 398877574823 - 2⁴ = 398877574807 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (398877574873) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2191634936 + ... + 2191635117.

It is an arithmetic number, because the mean of its divisors is an integer number (61365780756).

Almost surely, 2^398877574823 is an apocalyptic number.

398877574823 is a deficient number, since it is larger than the sum of its proper divisors (92048671225).

398877574823 is a wasteful number, since it uses less digits than its factorization.

398877574823 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4383270073.

The product of its digits is 568995840, while the sum is 71.

The spelling of 398877574823 in words is "three hundred ninety-eight billion, eight hundred seventy-seven million, five hundred seventy-four thousand, eight hundred twenty-three".