65887274005 has 12 divisors (see below), whose sum is σ = 91973256300. Its totient is φ = 45179844864.

The previous prime is 65887273999. The next prime is 65887274009. The reversal of 65887274005 is 50047278856.

It can be written as a sum of positive squares in 2 ways, for example, as 15817841361 + 50069432644 = 125769^2 + 223762^2 .

It is not a de Polignac number, because 65887274005 - 2¹⁷ = 65887142933 is a prime.

It is a super-2 number, since 2×65887274005² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (65887274009) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 134463580 + ... + 134464069.

It is an arithmetic number, because the mean of its divisors is an integer number (7664438025).

Almost surely, 2^65887274005 is an apocalyptic number.

It is an amenable number.

65887274005 is a deficient number, since it is larger than the sum of its proper divisors (26085982295).

65887274005 is a wasteful number, since it uses less digits than its factorization.

65887274005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268927668 (or 268927661 counting only the distinct ones).

The product of its (nonzero) digits is 3763200, while the sum is 52.

The spelling of 65887274005 in words is "sixty-five billion, eight hundred eighty-seven million, two hundred seventy-four thousand, five".