76543387140 has 48 divisors (see below), whose sum is σ = 233805257280. Its totient is φ = 18555972480.

The previous prime is 76543387139. The next prime is 76543387177. The reversal of 76543387140 is 4178334567.

It is a super-2 number, since 2×76543387140² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 76543387140.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57986755 + ... + 57988074.

It is an arithmetic number, because the mean of its divisors is an integer number (4870942860).

Almost surely, 2^76543387140 is an apocalyptic number.

It is an amenable number.

76543387140 is an abundant number, since it is smaller than the sum of its proper divisors (157261870140).

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

76543387140 is a wasteful number, since it uses less digits than its factorization.

76543387140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 115974852 (or 115974850 counting only the distinct ones).

The product of its (nonzero) digits is 1693440, while the sum is 48.

The spelling of 76543387140 in words is "seventy-six billion, five hundred forty-three million, three hundred eighty-seven thousand, one hundred forty".