76682421861 has 8 divisors (see below), whose sum is σ = 102607085184. Its totient is φ = 50939686560.

The previous prime is 76682421857. The next prime is 76682421887. The reversal of 76682421861 is 16812428667.

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

It is not a de Polignac number, because 76682421861 - 2² = 76682421857 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76682428861) 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, 45481021 + ... + 45482706.

It is an arithmetic number, because the mean of its divisors is an integer number (12825885648).

Almost surely, 2^76682421861 is an apocalyptic number.

It is an amenable number.

76682421861 is a deficient number, since it is larger than the sum of its proper divisors (25924663323).

76682421861 is a wasteful number, since it uses less digits than its factorization.

76682421861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90964011.

The product of its digits is 1548288, while the sum is 51.

The spelling of 76682421861 in words is "seventy-six billion, six hundred eighty-two million, four hundred twenty-one thousand, eight hundred sixty-one".