75894792868 has 24 divisors (see below), whose sum is σ = 133782746552. Its totient is φ = 37671588864.

The previous prime is 75894792859. The next prime is 75894792871. The reversal of 75894792868 is 86829749857.

It can be written as a sum of positive squares in 4 ways, for example, as 4460544 + 75890332324 = 2112^2 + 275482^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 75894792868.

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, 647380 + ... + 755572.

Almost surely, 2^75894792868 is an apocalyptic number.

It is an amenable number.

75894792868 is a deficient number, since it is larger than the sum of its proper divisors (57887953684).

75894792868 is a wasteful number, since it uses less digits than its factorization.

75894792868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109471 (or 109469 counting only the distinct ones).

The product of its digits is 487710720, while the sum is 73.

The spelling of 75894792868 in words is "seventy-five billion, eight hundred ninety-four million, seven hundred ninety-two thousand, eight hundred sixty-eight".