242663877 has 32 divisors (see below), whose sum is σ = 390656000. Its totient is φ = 148307760.

The previous prime is 242663857. The next prime is 242663879. The reversal of 242663877 is 778366242.

242663877 is a `hidden beast` number, since 2 + 4 + 2 + 6 + 638 + 7 + 7 = 666.

It is not a de Polignac number, because 242663877 - 2¹⁰ = 242662853 is a prime.

It is a super-2 number, since 2×242663877² = 117771514401342258, which contains 22 as substring.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (242663879) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8274 + ... + 23532.

It is an arithmetic number, because the mean of its divisors is an integer number (12208000).

Almost surely, 2^242663877 is an apocalyptic number.

242663877 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

242663877 is a deficient number, since it is larger than the sum of its proper divisors (147992123).

242663877 is a wasteful number, since it uses less digits than its factorization.

242663877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15318 (or 15312 counting only the distinct ones).

The product of its digits is 677376, while the sum is 45.

The square root of 242663877 is about 15577.6723871058. The cubic root of 242663877 is about 623.7372923356.

The spelling of 242663877 in words is "two hundred forty-two million, six hundred sixty-three thousand, eight hundred seventy-seven".