26487237001 has 3 divisors (see below), whose sum is σ = 26487399751. Its totient is φ = 26487074252.

The previous prime is 26487236899. The next prime is 26487237037. The reversal of 26487237001 is 10073278462.

The square root of 26487237001 is 162749.

It is a perfect power (a square), and thus also a powerful number.

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 can be written as a sum of positive squares in only one way, i.e., 22290788601 + 4196448400 = 149301^2 + 64780^2 .

It is not a de Polignac number, because 26487237001 - 2²³ = 26478848393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26487237041) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 81375 + ... + 244123.

Almost surely, 2^26487237001 is an apocalyptic number.

26487237001 is the 162749-th square number.

26487237001 is the 81375-th centered octagonal number.

It is an amenable number.

26487237001 is a deficient number, since it is larger than the sum of its proper divisors (162750).

26487237001 is an frugal number, since it uses more digits than its factorization.

26487237001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 325498 (or 162749 counting only the distinct ones).

The product of its (nonzero) digits is 112896, while the sum is 40.

The spelling of 26487237001 in words is "twenty-six billion, four hundred eighty-seven million, two hundred thirty-seven thousand, one".