76997311 has 8 divisors (see below), whose sum is σ = 78399248. Its totient is φ = 75600000.

The previous prime is 76997293. The next prime is 76997351. The reversal of 76997311 is 11379967.

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 76997311 - 2¹⁵ = 76964543 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 (76997351) 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, 63511 + ... + 64711.

It is an arithmetic number, because the mean of its divisors is an integer number (9799906).

Almost surely, 2^76997311 is an apocalyptic number.

76997311 is a deficient number, since it is larger than the sum of its proper divisors (1401937).

76997311 is a wasteful number, since it uses less digits than its factorization.

76997311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2313.

The product of its digits is 71442, while the sum is 43.

The square root of 76997311 is about 8774.8111660594. The cubic root of 76997311 is about 425.4271341297.

The spelling of 76997311 in words is "seventy-six million, nine hundred ninety-seven thousand, three hundred eleven".