87069750 has 64 divisors (see below), whose sum is σ = 230143680. Its totient is φ = 21849600.

The previous prime is 87069721. The next prime is 87069751. The reversal of 87069750 is 5796078.

It is a super-2 number, since 2×87069750² = 15162282730125000, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87069751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 9336 + ... + 16164.

It is an arithmetic number, because the mean of its divisors is an integer number (3595995).

Almost surely, 2^87069750 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87069750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115071840).

87069750 is an abundant number, since it is smaller than the sum of its proper divisors (143073930).

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

87069750 is a wasteful number, since it uses less digits than its factorization.

87069750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6866 (or 6856 counting only the distinct ones).

The product of its (nonzero) digits is 105840, while the sum is 42.

The square root of 87069750 is about 9331.1172964442. The cubic root of 87069750 is about 443.2231464656.

The spelling of 87069750 in words is "eighty-seven million, sixty-nine thousand, seven hundred fifty".