2401782871 has 4 divisors (see below), whose sum is σ = 2484603000. Its totient is φ = 2318962744.

The previous prime is 2401782853. The next prime is 2401782917. The reversal of 2401782871 is 1782871042.

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

It is a cyclic number.

It is not a de Polignac number, because 2401782871 - 2¹⁵ = 2401750103 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2401783871) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 41410021 + ... + 41410078.

It is an arithmetic number, because the mean of its divisors is an integer number (621150750).

Almost surely, 2^2401782871 is an apocalyptic number.

2401782871 is a deficient number, since it is larger than the sum of its proper divisors (82820129).

2401782871 is an equidigital number, since it uses as much as digits as its factorization.

2401782871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82820128.

The product of its (nonzero) digits is 50176, while the sum is 40.

The square root of 2401782871 is about 49007.9878285163. The cubic root of 2401782871 is about 1339.1973493800.

It can be divided in two parts, 240178 and 2871, that added together give a square (243049 = 493²).

The spelling of 2401782871 in words is "two billion, four hundred one million, seven hundred eighty-two thousand, eight hundred seventy-one".