76629866041 has 3 divisors (see below), whose sum is σ = 76630142863. Its totient is φ = 76629589220.

The previous prime is 76629866039. The next prime is 76629866069. The reversal of 76629866041 is 14066892667.

The square root of 76629866041 is 276821.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 14066892667 = 23 ⋅611604029.

It can be written as a sum of positive squares in only one way, i.e., 11798521641 + 64831344400 = 108621^2 + 254620^2 .

It is not a de Polignac number, because 76629866041 - 2¹ = 76629866039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (76629863041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 138411 + ... + 415231.

Almost surely, 2^76629866041 is an apocalyptic number.

76629866041 is the 276821-st square number.

76629866041 is the 138411-st centered octagonal number.

It is an amenable number.

76629866041 is a deficient number, since it is larger than the sum of its proper divisors (276822).

76629866041 is an frugal number, since it uses more digits than its factorization.

76629866041 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553642 (or 276821 counting only the distinct ones).

The product of its (nonzero) digits is 5225472, while the sum is 55.

The spelling of 76629866041 in words is "seventy-six billion, six hundred twenty-nine million, eight hundred sixty-six thousand, forty-one".