247998899742 has 64 divisors (see below), whose sum is σ = 574875187200. Its totient is φ = 70598666880.

The previous prime is 247998899737. The next prime is 247998899767.

247998899742 is nontrivially palindromic in base 10.

247998899742 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1680142 + ... + 1821777.

It is an arithmetic number, because the mean of its divisors is an integer number (8982424800).

Almost surely, 2^247998899742 is an apocalyptic number.

247998899742 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

247998899742 is an abundant number, since it is smaller than the sum of its proper divisors (326876287458).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

247998899742 is a wasteful number, since it uses less digits than its factorization.

247998899742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3502001.

The product of its digits is 1316818944, while the sum is 78.

The spelling of 247998899742 in words is "two hundred forty-seven billion, nine hundred ninety-eight million, eight hundred ninety-nine thousand, seven hundred forty-two".