76761333645 has 8 divisors (see below), whose sum is σ = 122818133856. Its totient is φ = 40939377936.

The previous prime is 76761333619. The next prime is 76761333697. The reversal of 76761333645 is 54633316767.

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

It is not a de Polignac number, because 76761333645 - 2¹² = 76761329549 is a prime.

It is a super-3 number, since 3×76761333645³ (a number of 34 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2558711107 + ... + 2558711136.

It is an arithmetic number, because the mean of its divisors is an integer number (15352266732).

Almost surely, 2^76761333645 is an apocalyptic number.

It is an amenable number.

76761333645 is a deficient number, since it is larger than the sum of its proper divisors (46056800211).

76761333645 is a wasteful number, since it uses less digits than its factorization.

76761333645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5117422251.

The product of its digits is 5715360, while the sum is 51.

The spelling of 76761333645 in words is "seventy-six billion, seven hundred sixty-one million, three hundred thirty-three thousand, six hundred forty-five".