7885225887 has 32 divisors (see below), whose sum is σ = 13154334720. Its totient is φ = 4081713120.

The previous prime is 7885225883. The next prime is 7885225969.

7885225887 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 7885225887 - 2² = 7885225883 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7885225887.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7885225883) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5064 + ... + 125682.

It is an arithmetic number, because the mean of its divisors is an integer number (411072960).

Almost surely, 2^7885225887 is an apocalyptic number.

7885225887 is a gapful number since it is divisible by the number (77) formed by its first and last digit.

7885225887 is a deficient number, since it is larger than the sum of its proper divisors (5269108833).

7885225887 is a wasteful number, since it uses less digits than its factorization.

7885225887 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120923.

The product of its digits is 20070400, while the sum is 60.

The square root of 7885225887 is about 88798.7944005998. The cubic root of 7885225887 is about 1990.3893825726.

The spelling of 7885225887 in words is "seven billion, eight hundred eighty-five million, two hundred twenty-five thousand, eight hundred eighty-seven".