26828074947 has 8 divisors (see below), whose sum is σ = 35876912656. Its totient is φ = 17832310272.

The previous prime is 26828074921. The next prime is 26828074951. The reversal of 26828074947 is 74947082862.

It is a happy number.

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

It is not a de Polignac number, because 26828074947 - 2⁶ = 26828074883 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26828074907) 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, 13267078 + ... + 13269099.

It is an arithmetic number, because the mean of its divisors is an integer number (4484614082).

Almost surely, 2^26828074947 is an apocalyptic number.

26828074947 is a deficient number, since it is larger than the sum of its proper divisors (9048837709).

26828074947 is a wasteful number, since it uses less digits than its factorization.

26828074947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26536517.

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 26828074947 in words is "twenty-six billion, eight hundred twenty-eight million, seventy-four thousand, nine hundred forty-seven".