76824026677 has 4 divisors (see below), whose sum is σ = 76829468940. Its totient is φ = 76818584416.

The previous prime is 76824026651. The next prime is 76824026693. The reversal of 76824026677 is 77662042867.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 77662042867 = 1439 ⋅53969453.

It can be written as a sum of positive squares in 2 ways, for example, as 23238258481 + 53585768196 = 152441^2 + 231486^2 .

It is a cyclic number.

It is not a de Polignac number, because 76824026677 - 2⁷ = 76824026549 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 (76824026077) 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, 2699902 + ... + 2728207.

It is an arithmetic number, because the mean of its divisors is an integer number (19207367235).

Almost surely, 2^76824026677 is an apocalyptic number.

It is an amenable number.

76824026677 is a deficient number, since it is larger than the sum of its proper divisors (5442263).

76824026677 is a wasteful number, since it uses less digits than its factorization.

76824026677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5442262.

The product of its (nonzero) digits is 9483264, while the sum is 55.

The spelling of 76824026677 in words is "seventy-six billion, eight hundred twenty-four million, twenty-six thousand, six hundred seventy-seven".