48987866520 has 192 divisors, whose sum is σ = 166315481280. Its totient is φ = 12481717248.

The previous prime is 48987866503. The next prime is 48987866527. The reversal of 48987866520 is 2566878984.

48987866520 is a `hidden beast` number, since 48 + 9 + 8 + 7 + 8 + 66 + 520 = 666.

It is a super-2 number, since 2×48987866520² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (48987866527) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9047334 + ... + 9052746.

It is an arithmetic number, because the mean of its divisors is an integer number (866226465).

Almost surely, 2^48987866520 is an apocalyptic number.

48987866520 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 48987866520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83157740640).

48987866520 is an abundant number, since it is smaller than the sum of its proper divisors (117327614760).

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

48987866520 is a wasteful number, since it uses less digits than its factorization.

48987866520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6546 (or 6539 counting only the distinct ones).

The product of its (nonzero) digits is 46448640, while the sum is 63.

The spelling of 48987866520 in words is "forty-eight billion, nine hundred eighty-seven million, eight hundred sixty-six thousand, five hundred twenty".