26874871487 has 4 divisors (see below), whose sum is σ = 26875206120. Its totient is φ = 26874536856.

The previous prime is 26874871477. The next prime is 26874871489. The reversal of 26874871487 is 78417847862.

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.

It is a cyclic number.

It is not a de Polignac number, because 26874871487 - 2³⁰ = 25801129663 is a prime.

It is a deceptive number, since it divides R_26874871486.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (26874871489) 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, 33464 + ... + 234242.

It is an arithmetic number, because the mean of its divisors is an integer number (6718801530).

Almost surely, 2^26874871487 is an apocalyptic number.

26874871487 is the 133853-rd pentagonal number.

26874871487 is a deficient number, since it is larger than the sum of its proper divisors (334633).

26874871487 is a wasteful number, since it uses less digits than its factorization.

26874871487 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334632.

The product of its digits is 33718272, while the sum is 62.

The spelling of 26874871487 in words is "twenty-six billion, eight hundred seventy-four million, eight hundred seventy-one thousand, four hundred eighty-seven".