26987022626 has 4 divisors (see below), whose sum is σ = 40480533942. Its totient is φ = 13493511312.

The previous prime is 26987022613. The next prime is 26987022649. The reversal of 26987022626 is 62622078962.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62622078962 = 2 ⋅31311039481.

It can be written as a sum of positive squares in only one way, i.e., 22815800401 + 4171222225 = 151049^2 + 64585^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6746755655 + ... + 6746755658.

Almost surely, 2^26987022626 is an apocalyptic number.

26987022626 is a deficient number, since it is larger than the sum of its proper divisors (13493511316).

26987022626 is a wasteful number, since it uses less digits than its factorization.

26987022626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13493511315.

The product of its (nonzero) digits is 1741824, while the sum is 50.

The spelling of 26987022626 in words is "twenty-six billion, nine hundred eighty-seven million, twenty-two thousand, six hundred twenty-six".