2400872779 has 8 divisors (see below), whose sum is σ = 2586074112. Its totient is φ = 2222406120.

The previous prime is 2400872767. The next prime is 2400872783. The reversal of 2400872779 is 9772780042.

2400872779 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 2400872779 - 2¹⁹ = 2400348491 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400872729) 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, 1682929 + ... + 1684354.

It is an arithmetic number, because the mean of its divisors is an integer number (323259264).

Almost surely, 2^2400872779 is an apocalyptic number.

2400872779 is a deficient number, since it is larger than the sum of its proper divisors (185201333).

2400872779 is a wasteful number, since it uses less digits than its factorization.

2400872779 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3367337.

The product of its (nonzero) digits is 395136, while the sum is 46.

The square root of 2400872779 is about 48998.7018093337. The cubic root of 2400872779 is about 1339.0281768895.

The spelling of 2400872779 in words is "two billion, four hundred million, eight hundred seventy-two thousand, seven hundred seventy-nine".