26457002667 has 12 divisors (see below), whose sum is σ = 38304343584. Its totient is φ = 17597075760.

The previous prime is 26457002659. The next prime is 26457002683. The reversal of 26457002667 is 76620075462.

It is not a de Polignac number, because 26457002667 - 2³ = 26457002659 is a prime.

It is a super-2 number, since 2×26457002667² (a number of 22 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (26457002647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3406408 + ... + 3414165.

It is an arithmetic number, because the mean of its divisors is an integer number (3192028632).

Almost surely, 2^26457002667 is an apocalyptic number.

26457002667 is a deficient number, since it is larger than the sum of its proper divisors (11847340917).

26457002667 is a wasteful number, since it uses less digits than its factorization.

26457002667 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821010 (or 6821007 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 45.

The spelling of 26457002667 in words is "twenty-six billion, four hundred fifty-seven million, two thousand, six hundred sixty-seven".