76749316487 has 4 divisors (see below), whose sum is σ = 78823622376. Its totient is φ = 74675010600.

The previous prime is 76749316463. The next prime is 76749316517. The reversal of 76749316487 is 78461394767.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 76749316487 - 2¹⁰ = 76749315463 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 (76749316087) 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, 1037152889 + ... + 1037152962.

It is an arithmetic number, because the mean of its divisors is an integer number (19705905594).

Almost surely, 2^76749316487 is an apocalyptic number.

76749316487 is a deficient number, since it is larger than the sum of its proper divisors (2074305889).

76749316487 is a wasteful number, since it uses less digits than its factorization.

76749316487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2074305888.

The product of its digits is 42674688, while the sum is 62.

The spelling of 76749316487 in words is "seventy-six billion, seven hundred forty-nine million, three hundred sixteen thousand, four hundred eighty-seven".