87034818 has 16 divisors (see below), whose sum is σ = 187459776. Its totient is φ = 26779920.

The previous prime is 87034817. The next prime is 87034819. The reversal of 87034818 is 81843078.

It is an interprime number because it is at equal distance from previous prime (87034817) and next prime (87034819).

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (87034817) 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, 557838 + ... + 557993.

It is an arithmetic number, because the mean of its divisors is an integer number (11716236).

Almost surely, 2^87034818 is an apocalyptic number.

87034818 is an abundant number, since it is smaller than the sum of its proper divisors (100424958).

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

87034818 is a wasteful number, since it uses less digits than its factorization.

87034818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115849.

The product of its (nonzero) digits is 43008, while the sum is 39.

The square root of 87034818 is about 9329.2453070975. The cubic root of 87034818 is about 443.1638654795.

The spelling of 87034818 in words is "eighty-seven million, thirty-four thousand, eight hundred eighteen".