76883271221 has 8 divisors (see below), whose sum is σ = 80933212800. Its totient is φ = 72833675040.

The previous prime is 76883271197. The next prime is 76883271251. The reversal of 76883271221 is 12217238867.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-76883271221 is a prime.

It is a super-2 number, since 2×76883271221² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76883271251) 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, 458900 + ... + 603618.

It is an arithmetic number, because the mean of its divisors is an integer number (10116651600).

Almost surely, 2^76883271221 is an apocalyptic number.

It is an amenable number.

76883271221 is a deficient number, since it is larger than the sum of its proper divisors (4049941579).

76883271221 is a wasteful number, since it uses less digits than its factorization.

76883271221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172699.

The product of its digits is 451584, while the sum is 47.

The spelling of 76883271221 in words is "seventy-six billion, eight hundred eighty-three million, two hundred seventy-one thousand, two hundred twenty-one".