87494740860 has 48 divisors (see below), whose sum is σ = 245003220000. Its totient is φ = 23330221824.

The previous prime is 87494740757. The next prime is 87494740937. The reversal of 87494740860 is 6804749478.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 87494740860.

It is a congruent number.

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, 918766 + ... + 1009514.

It is an arithmetic number, because the mean of its divisors is an integer number (5104233750).

Almost surely, 2^87494740860 is an apocalyptic number.

It is an amenable number.

87494740860 is an abundant number, since it is smaller than the sum of its proper divisors (157508479140).

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

87494740860 is a wasteful number, since it uses less digits than its factorization.

87494740860 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106830 (or 106828 counting only the distinct ones).

The product of its (nonzero) digits is 10838016, while the sum is 57.

The spelling of 87494740860 in words is "eighty-seven billion, four hundred ninety-four million, seven hundred forty thousand, eight hundred sixty".