7860512140 has 24 divisors (see below), whose sum is σ = 17776851120. Its totient is φ = 2902342848.

The previous prime is 7860512113. The next prime is 7860512161. The reversal of 7860512140 is 412150687.

It is a super-2 number, since 2×7860512140² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 7860512096 and 7860512105.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15116110 + ... + 15116629.

It is an arithmetic number, because the mean of its divisors is an integer number (740702130).

Almost surely, 2^7860512140 is an apocalyptic number.

It is an amenable number.

7860512140 is an abundant number, since it is smaller than the sum of its proper divisors (9916338980).

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

7860512140 is a wasteful number, since it uses less digits than its factorization.

7860512140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30232761 (or 30232759 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 34.

The square root of 7860512140 is about 88659.5293242638. The cubic root of 7860512140 is about 1988.3077909922.

The spelling of 7860512140 in words is "seven billion, eight hundred sixty million, five hundred twelve thousand, one hundred forty".