75823687212 has 72 divisors (see below), whose sum is σ = 221638492656. Its totient is φ = 19997453952.

The previous prime is 75823687207. The next prime is 75823687213. The reversal of 75823687212 is 21278632857.

It is not an unprimeable number, because it can be changed into a prime (75823687213) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4952043 + ... + 4967330.

It is an arithmetic number, because the mean of its divisors is an integer number (3078312398).

Almost surely, 2^75823687212 is an apocalyptic number.

It is an amenable number.

75823687212 is an abundant number, since it is smaller than the sum of its proper divisors (145814805444).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75823687212 is a wasteful number, since it uses less digits than its factorization.

75823687212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9919407 (or 9919398 counting only the distinct ones).

The product of its digits is 2257920, while the sum is 51.

The spelling of 75823687212 in words is "seventy-five billion, eight hundred twenty-three million, six hundred eighty-seven thousand, two hundred twelve".