75991983485 has 8 divisors (see below), whose sum is σ = 99480414816. Its totient is φ = 55266897040.

The previous prime is 75991983449. The next prime is 75991983491. The reversal of 75991983485 is 58438919957.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 75991983485 - 2¹⁰ = 75991982461 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 690836159 + ... + 690836268.

It is an arithmetic number, because the mean of its divisors is an integer number (12435051852).

Almost surely, 2^75991983485 is an apocalyptic number.

It is an amenable number.

75991983485 is a deficient number, since it is larger than the sum of its proper divisors (23488431331).

75991983485 is a wasteful number, since it uses less digits than its factorization.

75991983485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1381672443.

The product of its digits is 97977600, while the sum is 68.

The spelling of 75991983485 in words is "seventy-five billion, nine hundred ninety-one million, nine hundred eighty-three thousand, four hundred eighty-five".