87671219520 has 112 divisors (see below), whose sum is σ = 294730066368. Its totient is φ = 22003752960.

The previous prime is 87671219513. The next prime is 87671219549. The reversal of 87671219520 is 2591217678.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 87671219520.

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, 2669686 + ... + 2702325.

Almost surely, 2^87671219520 is an apocalyptic number.

87671219520 is a gapful number since it is divisible by the number (80) formed by its first and last digit.

It is an amenable number.

87671219520 is an abundant number, since it is smaller than the sum of its proper divisors (207058846848).

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

87671219520 is a wasteful number, since it uses less digits than its factorization.

87671219520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5372048 (or 5372038 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 48.

The spelling of 87671219520 in words is "eighty-seven billion, six hundred seventy-one million, two hundred nineteen thousand, five hundred twenty".