26377954331 has 4 divisors (see below), whose sum is σ = 26403343200. Its totient is φ = 26352565464.

The previous prime is 26377954297. The next prime is 26377954349. The reversal of 26377954331 is 13345977362.

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 26377954331 - 2³⁴ = 9198085147 is a prime.

It is a super-2 number, since 2×26377954331² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 26377954331.

It is not an unprimeable number, because it can be changed into a prime (26377914331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12692876 + ... + 12694953.

It is an arithmetic number, because the mean of its divisors is an integer number (6600835800).

Almost surely, 2^26377954331 is an apocalyptic number.

26377954331 is a deficient number, since it is larger than the sum of its proper divisors (25388869).

26377954331 is a wasteful number, since it uses less digits than its factorization.

26377954331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25388868.

The product of its digits is 2857680, while the sum is 50.

The spelling of 26377954331 in words is "twenty-six billion, three hundred seventy-seven million, nine hundred fifty-four thousand, three hundred thirty-one".