87380845620 has 48 divisors (see below), whose sum is σ = 247188717888. Its totient is φ = 23061335040.

The previous prime is 87380845613. The next prime is 87380845681. The reversal of 87380845620 is 2654808378.

It is a happy number.

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, 7501126 + ... + 7512765.

It is an arithmetic number, because the mean of its divisors is an integer number (5149764956).

Almost surely, 2^87380845620 is an apocalyptic number.

It is an amenable number.

87380845620 is an abundant number, since it is smaller than the sum of its proper divisors (159807872268).

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

87380845620 is a wasteful number, since it uses less digits than its factorization.

87380845620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15014000 (or 15013998 counting only the distinct ones).

The product of its (nonzero) digits is 2580480, while the sum is 51.

The spelling of 87380845620 in words is "eighty-seven billion, three hundred eighty million, eight hundred forty-five thousand, six hundred twenty".