264490777 has 12 divisors (see below), whose sum is σ = 293187456. Its totient is φ = 238103360.

The previous prime is 264490771. The next prime is 264490781. The reversal of 264490777 is 777094462.

It is not a de Polignac number, because 264490777 - 2¹⁵ = 264458009 is a prime.

It is a super-2 number, since 2×264490777² = 139910742236127458, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (264490771) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13249 + ... + 26542.

It is an arithmetic number, because the mean of its divisors is an integer number (24432288).

Almost surely, 2^264490777 is an apocalyptic number.

It is an amenable number.

264490777 is a deficient number, since it is larger than the sum of its proper divisors (28696679).

264490777 is a wasteful number, since it uses less digits than its factorization.

264490777 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39848 (or 39831 counting only the distinct ones).

The product of its (nonzero) digits is 592704, while the sum is 46.

The square root of 264490777 is about 16263.1724149995. The cubic root of 264490777 is about 641.9041411534.

The spelling of 264490777 in words is "two hundred sixty-four million, four hundred ninety thousand, seven hundred seventy-seven".