76308997 has 8 divisors (see below), whose sum is σ = 80544800. Its totient is φ = 72095184.

The previous prime is 76308943. The next prime is 76309003. The reversal of 76308997 is 79980367.

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-76308997 is a prime.

It is a super-3 number, since 3×76308997³ (a number of 25 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76308997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76308797) 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, 1903 + ... + 12499.

It is an arithmetic number, because the mean of its divisors is an integer number (10068100).

Almost surely, 2^76308997 is an apocalyptic number.

It is an amenable number.

76308997 is a deficient number, since it is larger than the sum of its proper divisors (4235803).

76308997 is a wasteful number, since it uses less digits than its factorization.

76308997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10995.

The product of its (nonzero) digits is 571536, while the sum is 49.

The square root of 76308997 is about 8735.5021034855. The cubic root of 76308997 is about 424.1556421745.

The spelling of 76308997 in words is "seventy-six million, three hundred eight thousand, nine hundred ninety-seven".