87462018 has 96 divisors (see below), whose sum is σ = 229791744. Its totient is φ = 24412752.

The previous prime is 87462007. The next prime is 87462029. The reversal of 87462018 is 81026478.

It is an interprime number because it is at equal distance from previous prime (87462007) and next prime (87462029).

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 159621 + ... + 160167.

It is an arithmetic number, because the mean of its divisors is an integer number (2393664).

Almost surely, 2^87462018 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87462018, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (114895872).

87462018 is an abundant number, since it is smaller than the sum of its proper divisors (142329726).

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

87462018 is a wasteful number, since it uses less digits than its factorization.

87462018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 618 (or 606 counting only the distinct ones).

The product of its (nonzero) digits is 21504, while the sum is 36.

The square root of 87462018 is about 9352.1130232691. The cubic root of 87462018 is about 443.8877546796.

The spelling of 87462018 in words is "eighty-seven million, four hundred sixty-two thousand, eighteen".