87501766 has 8 divisors (see below), whose sum is σ = 143184744. Its totient is φ = 39773520.

The previous prime is 87501727. The next prime is 87501767. The reversal of 87501766 is 66710578.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87501767) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1988655 + ... + 1988698.

It is an arithmetic number, because the mean of its divisors is an integer number (17898093).

Almost surely, 2^87501766 is an apocalyptic number.

87501766 is a deficient number, since it is larger than the sum of its proper divisors (55682978).

87501766 is a wasteful number, since it uses less digits than its factorization.

87501766 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3977366.

The product of its (nonzero) digits is 70560, while the sum is 40.

The square root of 87501766 is about 9354.2378631292. The cubic root of 87501766 is about 443.9549875911.

The spelling of 87501766 in words is "eighty-seven million, five hundred one thousand, seven hundred sixty-six".