87974485 has 8 divisors (see below), whose sum is σ = 105697440. Its totient is φ = 70294224.

The previous prime is 87974483. The next prime is 87974489. The reversal of 87974485 is 58447978.

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

It is a cyclic number.

It is not a de Polignac number, because 87974485 - 2¹ = 87974483 is a prime.

It is a super-2 number, since 2×87974485² = 15479020022030450, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87974483) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5947 + ... + 14536.

It is an arithmetic number, because the mean of its divisors is an integer number (13212180).

Almost surely, 2^87974485 is an apocalyptic number.

It is an amenable number.

87974485 is a deficient number, since it is larger than the sum of its proper divisors (17722955).

87974485 is a wasteful number, since it uses less digits than its factorization.

87974485 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21347.

The product of its digits is 2257920, while the sum is 52.

The square root of 87974485 is about 9379.4714669858. The cubic root of 87974485 is about 444.7530254342.

The spelling of 87974485 in words is "eighty-seven million, nine hundred seventy-four thousand, four hundred eighty-five".