61885224875 has 8 divisors (see below), whose sum is σ = 77232760800. Its totient is φ = 49508179800.

The previous prime is 61885224857. The next prime is 61885224893. The reversal of 61885224875 is 57842258816.

It is an interprime number because it is at equal distance from previous prime (61885224857) and next prime (61885224893).

It is not a de Polignac number, because 61885224875 - 2⁶ = 61885224811 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 61885224875.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 247540775 + ... + 247541024.

It is an arithmetic number, because the mean of its divisors is an integer number (9654095100).

Almost surely, 2^61885224875 is an apocalyptic number.

61885224875 is a deficient number, since it is larger than the sum of its proper divisors (15347535925).

61885224875 is an equidigital number, since it uses as much as digits as its factorization.

61885224875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 495081814 (or 495081804 counting only the distinct ones).

The product of its digits is 8601600, while the sum is 56.

The spelling of 61885224875 in words is "sixty-one billion, eight hundred eighty-five million, two hundred twenty-four thousand, eight hundred seventy-five".