26897663474 has 8 divisors (see below), whose sum is σ = 44014358448. Its totient is φ = 12226210660.

The previous prime is 26897663461. The next prime is 26897663479. The reversal of 26897663474 is 47436679862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (26897663479) 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, 611310512 + ... + 611310555.

It is an arithmetic number, because the mean of its divisors is an integer number (5501794806).

Almost surely, 2^26897663474 is an apocalyptic number.

26897663474 is a deficient number, since it is larger than the sum of its proper divisors (17116694974).

26897663474 is a wasteful number, since it uses less digits than its factorization.

26897663474 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1222621080.

The product of its digits is 73156608, while the sum is 62.

The spelling of 26897663474 in words is "twenty-six billion, eight hundred ninety-seven million, six hundred sixty-three thousand, four hundred seventy-four".