242928386577 has 16 divisors (see below), whose sum is σ = 371503388160. Its totient is φ = 156727990800.

The previous prime is 242928386567. The next prime is 242928386633. The reversal of 242928386577 is 775683829242.

242928386577 is a `hidden beast` number, since 2 + 4 + 2 + 9 + 28 + 38 + 6 + 577 = 666.

It is not a de Polignac number, because 242928386577 - 2¹⁵ = 242928353809 is a prime.

It is not an unprimeable number, because it can be changed into a prime (242928386567) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145117674 + ... + 145119347.

It is an arithmetic number, because the mean of its divisors is an integer number (23218961760).

Almost surely, 2^242928386577 is an apocalyptic number.

242928386577 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

It is an amenable number.

242928386577 is a deficient number, since it is larger than the sum of its proper divisors (128575001583).

242928386577 is a wasteful number, since it uses less digits than its factorization.

242928386577 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 290237061 (or 290237055 counting only the distinct ones).

The product of its digits is 81285120, while the sum is 63.

The spelling of 242928386577 in words is "two hundred forty-two billion, nine hundred twenty-eight million, three hundred eighty-six thousand, five hundred seventy-seven".