72826400462827 has 4 divisors (see below), whose sum is σ = 79446982323096. Its totient is φ = 66205818602560.

The previous prime is 72826400462819. The next prime is 72826400462831.

72826400462827 is nontrivially palindromic in base 10.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 72826400462827 - 2³ = 72826400462819 is a prime.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (72826400462807) 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, 3310290930118 + ... + 3310290930139.

It is an arithmetic number, because the mean of its divisors is an integer number (19861745580774).

Almost surely, 2^{72826400462827} is an apocalyptic number.

72826400462827 is a deficient number, since it is larger than the sum of its proper divisors (6620581860269).

72826400462827 is a wasteful number, since it uses less digits than its factorization.

72826400462827 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6620581860268.

The product of its (nonzero) digits is 28901376, while the sum is 58.

The spelling of 72826400462827 in words is "seventy-two trillion, eight hundred twenty-six billion, four hundred million, four hundred sixty-two thousand, eight hundred twenty-seven".