87125921248 has 24 divisors (see below), whose sum is σ = 177443957880. Its totient is φ = 42060789120.

The previous prime is 87125921243. The next prime is 87125921269. The reversal of 87125921248 is 84212952178.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87125921243) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46941918 + ... + 46943773.

It is an arithmetic number, because the mean of its divisors is an integer number (7393498245).

Almost surely, 2^87125921248 is an apocalyptic number.

It is an amenable number.

87125921248 is an abundant number, since it is smaller than the sum of its proper divisors (90318036632).

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

87125921248 is a wasteful number, since it uses less digits than its factorization.

87125921248 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93885730 (or 93885722 counting only the distinct ones).

The product of its digits is 645120, while the sum is 49.

The spelling of 87125921248 in words is "eighty-seven billion, one hundred twenty-five million, nine hundred twenty-one thousand, two hundred forty-eight".