26798157278 has 8 divisors (see below), whose sum is σ = 40277793000. Its totient is φ = 13372226280.

The previous prime is 26798157263. The next prime is 26798157319. The reversal of 26798157278 is 87275189762.

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

It is a self number, because there is not a number n which added to its sum of digits gives 26798157278.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13424933 + ... + 13426928.

It is an arithmetic number, because the mean of its divisors is an integer number (5034724125).

Almost surely, 2^26798157278 is an apocalyptic number.

26798157278 is a deficient number, since it is larger than the sum of its proper divisors (13479635722).

26798157278 is a wasteful number, since it uses less digits than its factorization.

26798157278 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26852362.

The product of its digits is 23708160, while the sum is 62.

The spelling of 26798157278 in words is "twenty-six billion, seven hundred ninety-eight million, one hundred fifty-seven thousand, two hundred seventy-eight".