87973776 has 240 divisors, whose sum is σ = 297355968. Its totient is φ = 25090560.

The previous prime is 87973751. The next prime is 87973813. The reversal of 87973776 is 67737978.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5174920 + ... + 5174936.

Almost surely, 2^87973776 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87973776, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (148677984).

87973776 is an abundant number, since it is smaller than the sum of its proper divisors (209382192).

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

87973776 is a wasteful number, since it uses less digits than its factorization.

87973776 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73 (or 33 counting only the distinct ones).

The product of its digits is 3111696, while the sum is 54.

The square root of 87973776 is about 9379.4336716030. The cubic root of 87973776 is about 444.7518306532.

The spelling of 87973776 in words is "eighty-seven million, nine hundred seventy-three thousand, seven hundred seventy-six".