87456085 has 4 divisors (see below), whose sum is σ = 104947308. Its totient is φ = 69964864.

The previous prime is 87456079. The next prime is 87456091. The reversal of 87456085 is 58065478.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (87456079) and next prime (87456091).

It can be written as a sum of positive squares in 2 ways, for example, as 30393169 + 57062916 = 5513^2 + 7554^2 .

It is a cyclic number.

It is not a de Polignac number, because 87456085 - 2⁷ = 87455957 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8745604 + ... + 8745613.

It is an arithmetic number, because the mean of its divisors is an integer number (26236827).

Almost surely, 2^87456085 is an apocalyptic number.

It is an amenable number.

87456085 is a deficient number, since it is larger than the sum of its proper divisors (17491223).

87456085 is a wasteful number, since it uses less digits than its factorization.

87456085 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17491222.

The product of its (nonzero) digits is 268800, while the sum is 43.

The square root of 87456085 is about 9351.7958168472. The cubic root of 87456085 is about 443.8777173870.

The spelling of 87456085 in words is "eighty-seven million, four hundred fifty-six thousand, eighty-five".