64075270805 has 16 divisors (see below), whose sum is σ = 94634246784. Its totient is φ = 40557533760.

The previous prime is 64075270747. The next prime is 64075270817. The reversal of 64075270805 is 50807257046.

It is not a de Polignac number, because 64075270805 - 2⁸ = 64075270549 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70411931 + ... + 70412840.

It is an arithmetic number, because the mean of its divisors is an integer number (5914640424).

Almost surely, 2^64075270805 is an apocalyptic number.

64075270805 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

It is an amenable number.

64075270805 is a deficient number, since it is larger than the sum of its proper divisors (30558975979).

64075270805 is a wasteful number, since it uses less digits than its factorization.

64075270805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 140824796.

The product of its (nonzero) digits is 470400, while the sum is 44.

The spelling of 64075270805 in words is "sixty-four billion, seventy-five million, two hundred seventy thousand, eight hundred five".