7860512142 has 24 divisors (see below), whose sum is σ = 19464125616. Its totient is φ = 2245860576.

The previous prime is 7860512113. The next prime is 7860512161. The reversal of 7860512142 is 2412150687.

7860512142 is a `hidden beast` number, since 7 + 8 + 605 + 1 + 2 + 1 + 42 = 666.

It is a super-2 number, since 2×7860512142² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7860512097 and 7860512106.

It is a congruent number.

It is an unprimeable number.

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, 31192383 + ... + 31192634.

It is an arithmetic number, because the mean of its divisors is an integer number (811005234).

Almost surely, 2^7860512142 is an apocalyptic number.

7860512142 is an abundant number, since it is smaller than the sum of its proper divisors (11603613474).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7860512142 is a wasteful number, since it uses less digits than its factorization.

7860512142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62385032 (or 62385029 counting only the distinct ones).

The product of its (nonzero) digits is 26880, while the sum is 36.

The square root of 7860512142 is about 88659.5293355429. The cubic root of 7860512142 is about 1988.3077911609.

The spelling of 7860512142 in words is "seven billion, eight hundred sixty million, five hundred twelve thousand, one hundred forty-two".