26360135987 has 8 divisors (see below), whose sum is σ = 27688392960. Its totient is φ = 25047059400.

The previous prime is 26360135981. The next prime is 26360135993. The reversal of 26360135987 is 78953106362.

It is an interprime number because it is at equal distance from previous prime (26360135981) and next prime (26360135993).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-26360135987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (26360135981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3791537 + ... + 3798482.

It is an arithmetic number, because the mean of its divisors is an integer number (3461049120).

Almost surely, 2^26360135987 is an apocalyptic number.

26360135987 is a deficient number, since it is larger than the sum of its proper divisors (1328256973).

26360135987 is a wasteful number, since it uses less digits than its factorization.

26360135987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7590193.

The product of its (nonzero) digits is 1632960, while the sum is 50.

The spelling of 26360135987 in words is "twenty-six billion, three hundred sixty million, one hundred thirty-five thousand, nine hundred eighty-seven".