82788722 has 8 divisors (see below), whose sum is σ = 125389056. Its totient is φ = 40992372.

The previous prime is 82788697. The next prime is 82788731. The reversal of 82788722 is 22788728.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 200738 + ... + 201149.

It is an arithmetic number, because the mean of its divisors is an integer number (15673632).

Almost surely, 2^82788722 is an apocalyptic number.

82788722 is a deficient number, since it is larger than the sum of its proper divisors (42600334).

82788722 is a wasteful number, since it uses less digits than its factorization.

82788722 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 401992.

The product of its digits is 200704, while the sum is 44.

The square root of 82788722 is about 9098.8308040099. The cubic root of 82788722 is about 435.8366283237.

The spelling of 82788722 in words is "eighty-two million, seven hundred eighty-eight thousand, seven hundred twenty-two".