26161483987 has 2 divisors, whose sum is σ = 26161483988. Its totient is φ = 26161483986.

The previous prime is 26161483981. The next prime is 26161484017. The reversal of 26161483987 is 78938416162.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 26161483987 - 2³ = 26161483979 is a prime.

It is not a weakly prime, because it can be changed into another prime (26161483981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13080741993 + 13080741994.

It is an arithmetic number, because the mean of its divisors is an integer number (13080741994).

Almost surely, 2^26161483987 is an apocalyptic number.

26161483987 is a deficient number, since it is larger than the sum of its proper divisors (1).

26161483987 is an equidigital number, since it uses as much as digits as its factorization.

26161483987 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3483648, while the sum is 55.

The spelling of 26161483987 in words is "twenty-six billion, one hundred sixty-one million, four hundred eighty-three thousand, nine hundred eighty-seven".