75282987664 has 10 divisors (see below), whose sum is σ = 145860788630. Its totient is φ = 37641493824.

The previous prime is 75282987653. The next prime is 75282987667. The reversal of 75282987664 is 46678928257.

It can be written as a sum of positive squares in only one way, i.e., 43177515264 + 32105472400 = 207792^2 + 179180^2 .

It is a junction number, because it is equal to n+sod(n) for n = 75282987596 and 75282987605.

It is not an unprimeable number, because it can be changed into a prime (75282987667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2352593349 + ... + 2352593380.

It is an arithmetic number, because the mean of its divisors is an integer number (14586078863).

Almost surely, 2^75282987664 is an apocalyptic number.

It is an amenable number.

75282987664 is a deficient number, since it is larger than the sum of its proper divisors (70577800966).

75282987664 is a wasteful number, since it uses less digits than its factorization.

75282987664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4705186737 (or 4705186731 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 64.

The spelling of 75282987664 in words is "seventy-five billion, two hundred eighty-two million, nine hundred eighty-seven thousand, six hundred sixty-four".