26542266987 has 8 divisors (see below), whose sum is σ = 35391027600. Its totient is φ = 17694175520.

The previous prime is 26542266953. The next prime is 26542267019. The reversal of 26542266987 is 78966224562.

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

It is a cyclic number.

It is not a de Polignac number, because 26542266987 - 2¹⁶ = 26542201451 is a prime.

It is not an unprimeable number, because it can be changed into a prime (26542266287) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 65964 + ... + 239657.

It is an arithmetic number, because the mean of its divisors is an integer number (4423878450).

Almost surely, 2^26542266987 is an apocalyptic number.

26542266987 is a deficient number, since it is larger than the sum of its proper divisors (8848760613).

26542266987 is a wasteful number, since it uses less digits than its factorization.

26542266987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 334573.

The product of its digits is 17418240, while the sum is 57.

The spelling of 26542266987 in words is "twenty-six billion, five hundred forty-two million, two hundred sixty-six thousand, nine hundred eighty-seven".