264778961882 has 8 divisors (see below), whose sum is σ = 397259990400. Its totient is φ = 132358965084.

The previous prime is 264778961869. The next prime is 264778961897. The reversal of 264778961882 is 288169877462.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15247082 + ... + 15264437.

It is an arithmetic number, because the mean of its divisors is an integer number (49657498800).

Almost surely, 2^264778961882 is an apocalyptic number.

264778961882 is a deficient number, since it is larger than the sum of its proper divisors (132481028518).

264778961882 is a wasteful number, since it uses less digits than its factorization.

264778961882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30515860.

The product of its digits is 130056192, while the sum is 68.

The spelling of 264778961882 in words is "two hundred sixty-four billion, seven hundred seventy-eight million, nine hundred sixty-one thousand, eight hundred eighty-two".