26898998608 has 80 divisors (see below), whose sum is σ = 53322368400. Its totient is φ = 13143195648.

The previous prime is 26898998579. The next prime is 26898998641. The reversal of 26898998608 is 80689989862.

It can be written as a sum of positive squares in 8 ways, for example, as 378224704 + 26520773904 = 19448^2 + 162852^2 .

It is a super-2 number, since 2×26898998608² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 67755466 + ... + 67755862.

It is an arithmetic number, because the mean of its divisors is an integer number (666529605).

Almost surely, 2^26898998608 is an apocalyptic number.

It is an amenable number.

26898998608 is a deficient number, since it is larger than the sum of its proper divisors (26423369792).

26898998608 is a wasteful number, since it uses less digits than its factorization.

26898998608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 944 (or 938 counting only the distinct ones).

The product of its (nonzero) digits is 214990848, while the sum is 73.

The spelling of 26898998608 in words is "twenty-six billion, eight hundred ninety-eight million, nine hundred ninety-eight thousand, six hundred eight".