2872085405 has 16 divisors (see below), whose sum is σ = 3973722624. Its totient is φ = 1951998720.

The previous prime is 2872085401. The next prime is 2872085431. The reversal of 2872085405 is 5045802782.

2872085405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2872085405 - 2² = 2872085401 is a prime.

It is a super-2 number, since 2×2872085405² = 16497749147228028050, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2872085401) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 359141 + ... + 367050.

It is an arithmetic number, because the mean of its divisors is an integer number (248357664).

Almost surely, 2^2872085405 is an apocalyptic number.

It is an amenable number.

2872085405 is a deficient number, since it is larger than the sum of its proper divisors (1101637219).

2872085405 is a wasteful number, since it uses less digits than its factorization.

2872085405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 726316.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 2872085405 is about 53591.8408435463. The cubic root of 2872085405 is about 1421.4528219248.

The spelling of 2872085405 in words is "two billion, eight hundred seventy-two million, eighty-five thousand, four hundred five".