75212939663 has 8 divisors (see below), whose sum is σ = 78197365680. Its totient is φ = 72283273920.

The previous prime is 75212939651. The next prime is 75212939689. The reversal of 75212939663 is 36693921257.

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

It is a cyclic number.

It is not a de Polignac number, because 75212939663 - 2⁸ = 75212939407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75212939623) 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, 13687268 + ... + 13692761.

It is an arithmetic number, because the mean of its divisors is an integer number (9774670710).

Almost surely, 2^75212939663 is an apocalyptic number.

75212939663 is a deficient number, since it is larger than the sum of its proper divisors (2984426017).

75212939663 is a wasteful number, since it uses less digits than its factorization.

75212939663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27380137.

The product of its digits is 3674160, while the sum is 53.

The spelling of 75212939663 in words is "seventy-five billion, two hundred twelve million, nine hundred thirty-nine thousand, six hundred sixty-three".