264157527740765 has 16 divisors (see below), whose sum is σ = 317526101956800. Its totient is φ = 210967982068992.

The previous prime is 264157527740677. The next prime is 264157527740801. The reversal of 264157527740765 is 567047725751462.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-264157527740765 is a prime.

It is a super-3 number, since 3×264157527740765³ (a number of 44 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 264157527740695 and 264157527740704.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 487231406 + ... + 487773264.

It is an arithmetic number, because the mean of its divisors is an integer number (19845381372300).

Almost surely, 2^{264157527740765} is an apocalyptic number.

It is an amenable number.

264157527740765 is a deficient number, since it is larger than the sum of its proper divisors (53368574216035).

264157527740765 is a wasteful number, since it uses less digits than its factorization.

264157527740765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 706876.

The product of its (nonzero) digits is 691488000, while the sum is 68.

The spelling of 264157527740765 in words is "two hundred sixty-four trillion, one hundred fifty-seven billion, five hundred twenty-seven million, seven hundred forty thousand, seven hundred sixty-five".