75477447013124 has 24 divisors (see below), whose sum is σ = 142411939197528. Its totient is φ = 34795096277760.

The previous prime is 75477447013109. The next prime is 75477447013127. The reversal of 75477447013124 is 42131074477457.

It can be written as a sum of positive squares in 4 ways, for example, as 10564905136900 + 64912541876224 = 3250370^2 + 8056832^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75477447013124.

It is not an unprimeable number, because it can be changed into a prime (75477447013127) 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, 846798707 + ... + 846887834.

It is an arithmetic number, because the mean of its divisors is an integer number (5933830799897).

Almost surely, 2^{75477447013124} is an apocalyptic number.

It is an amenable number.

75477447013124 is a deficient number, since it is larger than the sum of its proper divisors (66934492184404).

75477447013124 is a wasteful number, since it uses less digits than its factorization.

75477447013124 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1693687415 (or 1693687413 counting only the distinct ones).

The product of its (nonzero) digits is 18439680, while the sum is 56.

The spelling of 75477447013124 in words is "seventy-five trillion, four hundred seventy-seven billion, four hundred forty-seven million, thirteen thousand, one hundred twenty-four".