2388872155 has 4 divisors (see below), whose sum is σ = 2866646592. Its totient is φ = 1911097720.

The previous prime is 2388872137. The next prime is 2388872201. The reversal of 2388872155 is 5512788832.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2388872155 - 2⁹ = 2388871643 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2388872099 and 2388872108.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 238887211 + ... + 238887220.

It is an arithmetic number, because the mean of its divisors is an integer number (716661648).

Almost surely, 2^2388872155 is an apocalyptic number.

2388872155 is a deficient number, since it is larger than the sum of its proper divisors (477774437).

2388872155 is an equidigital number, since it uses as much as digits as its factorization.

2388872155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477774436.

The product of its digits is 1075200, while the sum is 49.

The square root of 2388872155 is about 48876.0898088217. The cubic root of 2388872155 is about 1336.7934309774.

The spelling of 2388872155 in words is "two billion, three hundred eighty-eight million, eight hundred seventy-two thousand, one hundred fifty-five".