26897481036 has 18 divisors (see below), whose sum is σ = 67990854932. Its totient is φ = 8965827000.

The previous prime is 26897481019. The next prime is 26897481103. The reversal of 26897481036 is 63018479862.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 373576090 + ... + 373576161.

Almost surely, 2^26897481036 is an apocalyptic number.

It is an amenable number.

26897481036 is an abundant number, since it is smaller than the sum of its proper divisors (41093373896).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

26897481036 is a wasteful number, since it uses less digits than its factorization.

26897481036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 747152261 (or 747152256 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 26897481036 in words is "twenty-six billion, eight hundred ninety-seven million, four hundred eighty-one thousand, thirty-six".