26487117986 has 16 divisors (see below), whose sum is σ = 45445558464. Its totient is φ = 11341854384.

The previous prime is 26487117983. The next prime is 26487118001. The reversal of 26487117986 is 68971178462.

It is not an unprimeable number, because it can be changed into a prime (26487117983) 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, 797105 + ... + 829668.

It is an arithmetic number, because the mean of its divisors is an integer number (2840347404).

Almost surely, 2^26487117986 is an apocalyptic number.

26487117986 is a deficient number, since it is larger than the sum of its proper divisors (18958440478).

26487117986 is a wasteful number, since it uses less digits than its factorization.

26487117986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1627945.

The product of its digits is 8128512, while the sum is 59.

The spelling of 26487117986 in words is "twenty-six billion, four hundred eighty-seven million, one hundred seventeen thousand, nine hundred eighty-six".