4072872456785 has 16 divisors (see below), whose sum is σ = 5331799615680. Its totient is φ = 2962067221440.

The previous prime is 4072872456781. The next prime is 4072872456799. The reversal of 4072872456785 is 5876542782704.

It is not a de Polignac number, because 4072872456785 - 2² = 4072872456781 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4072872456781) 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, 13682111 + ... + 13976619.

It is an arithmetic number, because the mean of its divisors is an integer number (333237475980).

Almost surely, 2^{4072872456785} is an apocalyptic number.

It is an amenable number.

4072872456785 is a deficient number, since it is larger than the sum of its proper divisors (1258927158895).

4072872456785 is a wasteful number, since it uses less digits than its factorization.

4072872456785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 545968.

The product of its (nonzero) digits is 210739200, while the sum is 65.

The spelling of 4072872456785 in words is "four trillion, seventy-two billion, eight hundred seventy-two million, four hundred fifty-six thousand, seven hundred eighty-five".