76822117 has 4 divisors (see below), whose sum is σ = 76839840. Its totient is φ = 76804396.

The previous prime is 76822091. The next prime is 76822127. The reversal of 76822117 is 71122867.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 76822117 - 2⁷ = 76821989 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 (76822127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2478 + ... + 12640.

It is an arithmetic number, because the mean of its divisors is an integer number (19209960).

Almost surely, 2^76822117 is an apocalyptic number.

It is an amenable number.

76822117 is a deficient number, since it is larger than the sum of its proper divisors (17723).

76822117 is a wasteful number, since it uses less digits than its factorization.

76822117 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17722.

The product of its digits is 9408, while the sum is 34.

The square root of 76822117 is about 8764.8227021429. The cubic root of 76822117 is about 425.1042272630.

The spelling of 76822117 in words is "seventy-six million, eight hundred twenty-two thousand, one hundred seventeen".