264253428887 has 8 divisors (see below), whose sum is σ = 312417847200. Its totient is φ = 218692492704.

The previous prime is 264253428877. The next prime is 264253428893. The reversal of 264253428887 is 788824352462.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 264253428887 - 2⁴ = 264253428871 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (264253428877) 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, 650870312 + ... + 650870717.

It is an arithmetic number, because the mean of its divisors is an integer number (39052230900).

Almost surely, 2^264253428887 is an apocalyptic number.

264253428887 is a deficient number, since it is larger than the sum of its proper divisors (48164418313).

264253428887 is a wasteful number, since it uses less digits than its factorization.

264253428887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301741065.

The product of its digits is 41287680, while the sum is 59.

The spelling of 264253428887 in words is "two hundred sixty-four billion, two hundred fifty-three million, four hundred twenty-eight thousand, eight hundred eighty-seven".