76997763 has 16 divisors (see below), whose sum is σ = 114471840. Its totient is φ = 51151392.

The previous prime is 76997759. The next prime is 76997771. The reversal of 76997763 is 36779967.

It is not a de Polignac number, because 76997763 - 2² = 76997759 is a prime.

It is not an unprimeable number, because it can be changed into a prime (76997783) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3045 + ... + 12777.

It is an arithmetic number, because the mean of its divisors is an integer number (7154490).

Almost surely, 2^76997763 is an apocalyptic number.

76997763 is a deficient number, since it is larger than the sum of its proper divisors (37474077).

76997763 is a wasteful number, since it uses less digits than its factorization.

76997763 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10035 (or 10029 counting only the distinct ones).

The product of its digits is 3000564, while the sum is 54.

The square root of 76997763 is about 8774.8369215616. The cubic root of 76997763 is about 425.4279665946.

The spelling of 76997763 in words is "seventy-six million, nine hundred ninety-seven thousand, seven hundred sixty-three".