76938810829 has 4 divisors (see below), whose sum is σ = 76939402176. Its totient is φ = 76938219484.

The previous prime is 76938810811. The next prime is 76938810859. The reversal of 76938810829 is 92801883967.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 76938810829 - 2¹⁷ = 76938679757 is a prime.

It is a super-2 number, since 2×76938810829² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (76938810859) 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, 5749 + ... + 392314.

It is an arithmetic number, because the mean of its divisors is an integer number (19234850544).

Almost surely, 2^76938810829 is an apocalyptic number.

It is an amenable number.

76938810829 is a deficient number, since it is larger than the sum of its proper divisors (591347).

76938810829 is a wasteful number, since it uses less digits than its factorization.

76938810829 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591346.

The product of its (nonzero) digits is 10450944, while the sum is 61.

The spelling of 76938810829 in words is "seventy-six billion, nine hundred thirty-eight million, eight hundred ten thousand, eight hundred twenty-nine".