6142687775 has 54 divisors (see below), whose sum is σ = 9412922088. Its totient is φ = 3964128000.

The previous prime is 6142687721. The next prime is 6142687777. The reversal of 6142687775 is 5777862416.

It is a happy number.

It is a de Polignac number, because none of the positive numbers 2^k-6142687775 is a prime.

It is a super-2 number, since 2×6142687775² = 75465226202268901250, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6142687777) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 53 ways as a sum of consecutive naturals, for example, 345350 + ... + 362700.

It is an arithmetic number, because the mean of its divisors is an integer number (174313372).

Almost surely, 2^6142687775 is an apocalyptic number.

6142687775 is a deficient number, since it is larger than the sum of its proper divisors (3270234313).

6142687775 is a wasteful number, since it uses less digits than its factorization.

6142687775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17409 (or 17380 counting only the distinct ones).

The product of its digits is 3951360, while the sum is 53.

The square root of 6142687775 is about 78375.3007968709. The cubic root of 6142687775 is about 1831.4123862103.

The spelling of 6142687775 in words is "six billion, one hundred forty-two million, six hundred eighty-seven thousand, seven hundred seventy-five".