87176736 has 168 divisors, whose sum is σ = 266897484. Its totient is φ = 27993600.

The previous prime is 87176729. The next prime is 87176741. The reversal of 87176736 is 63767178.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 65610000 + 21566736 = 8100^2 + 4644^2 .

It is a super-2 number, since 2×87176736² = 15199566599227392, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87176691 and 87176700.

It is an unprimeable number.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 863086 + ... + 863186.

Almost surely, 2^87176736 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 87176736, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (133448742).

87176736 is an abundant number, since it is smaller than the sum of its proper divisors (179720748).

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

87176736 is a wasteful number, since it uses less digits than its factorization.

87176736 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166 (or 143 counting only the distinct ones).

The product of its digits is 296352, while the sum is 45.

The square root of 87176736 is about 9336.8482905100. The cubic root of 87176736 is about 443.4046073560.

The spelling of 87176736 in words is "eighty-seven million, one hundred seventy-six thousand, seven hundred thirty-six".