76208821 has 8 divisors (see below), whose sum is σ = 85639680. Its totient is φ = 67287792.

The previous prime is 76208813. The next prime is 76208827. The reversal of 76208821 is 12880267.

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

It is not a de Polignac number, because 76208821 - 2³ = 76208813 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 (76208827) 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, 127141 + ... + 127738.

It is an arithmetic number, because the mean of its divisors is an integer number (10704960).

Almost surely, 2^76208821 is an apocalyptic number.

It is an amenable number.

76208821 is a deficient number, since it is larger than the sum of its proper divisors (9430859).

76208821 is a wasteful number, since it uses less digits than its factorization.

76208821 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 254915.

The product of its (nonzero) digits is 10752, while the sum is 34.

The square root of 76208821 is about 8729.7663771718. The cubic root of 76208821 is about 423.9699549287.

The spelling of 76208821 in words is "seventy-six million, two hundred eight thousand, eight hundred twenty-one".