76822993 has 8 divisors (see below), whose sum is σ = 82857600. Its totient is φ = 70806288.

The previous prime is 76822987. The next prime is 76823003. The reversal of 76822993 is 39922867.

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

It is a cyclic number.

It is not a de Polignac number, because 76822993 - 2⁵ = 76822961 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76822913) 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, 5238 + ... + 13456.

It is an arithmetic number, because the mean of its divisors is an integer number (10357200).

Almost surely, 2^76822993 is an apocalyptic number.

It is an amenable number.

76822993 is a deficient number, since it is larger than the sum of its proper divisors (6034607).

76822993 is a wasteful number, since it uses less digits than its factorization.

76822993 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8951.

The product of its digits is 326592, while the sum is 46.

The square root of 76822993 is about 8764.8726744888. The cubic root of 76822993 is about 425.1058430732.

It can be divided in two parts, 76822 and 993, that added together give a triangular number (77815 = T₃₉₄).

The spelling of 76822993 in words is "seventy-six million, eight hundred twenty-two thousand, nine hundred ninety-three".