7875866241 has 24 divisors (see below), whose sum is σ = 11922780480. Its totient is φ = 5000330016.

The previous prime is 7875866239. The next prime is 7875866249. The reversal of 7875866241 is 1426685787.

7875866241 is a `hidden beast` number, since 7 + 8 + 7 + 5 + 8 + 6 + 624 + 1 = 666.

It is not a de Polignac number, because 7875866241 - 2¹ = 7875866239 is a prime.

It is a super-2 number, since 2×7875866241² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (7875866249) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 35671 + ... + 130476.

It is an arithmetic number, because the mean of its divisors is an integer number (496782520).

Almost surely, 2^7875866241 is an apocalyptic number.

It is an amenable number.

7875866241 is a deficient number, since it is larger than the sum of its proper divisors (4046914239).

7875866241 is a wasteful number, since it uses less digits than its factorization.

7875866241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166405 (or 166402 counting only the distinct ones).

The product of its digits is 4515840, while the sum is 54.

The square root of 7875866241 is about 88746.0773273952. The cubic root of 7875866241 is about 1989.6015498978.

The spelling of 7875866241 in words is "seven billion, eight hundred seventy-five million, eight hundred sixty-six thousand, two hundred forty-one".