26429121587 has 16 divisors (see below), whose sum is σ = 30842495712. Its totient is φ = 22380011520.

The previous prime is 26429121583. The next prime is 26429121599. The reversal of 26429121587 is 78512192462.

It is a cyclic number.

It is not a de Polignac number, because 26429121587 - 2² = 26429121583 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26429121583) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 710378 + ... + 746655.

It is an arithmetic number, because the mean of its divisors is an integer number (1927655982).

Almost surely, 2^26429121587 is an apocalyptic number.

26429121587 is a deficient number, since it is larger than the sum of its proper divisors (4413374125).

26429121587 is a wasteful number, since it uses less digits than its factorization.

26429121587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1457158.

The product of its digits is 483840, while the sum is 47.

The spelling of 26429121587 in words is "twenty-six billion, four hundred twenty-nine million, one hundred twenty-one thousand, five hundred eighty-seven".