87645354 has 8 divisors (see below), whose sum is σ = 175290720. Its totient is φ = 29215116.

The previous prime is 87645343. The next prime is 87645359. The reversal of 87645354 is 45354678.

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

87645354 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (87645359) 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, 7303774 + ... + 7303785.

It is an arithmetic number, because the mean of its divisors is an integer number (21911340).

Almost surely, 2^87645354 is an apocalyptic number.

87645354 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

87645354 is a wasteful number, since it uses less digits than its factorization.

87645354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14607564.

The product of its digits is 403200, while the sum is 42.

The square root of 87645354 is about 9361.9097410731. The cubic root of 87645354 is about 444.1976942039.

The spelling of 87645354 in words is "eighty-seven million, six hundred forty-five thousand, three hundred fifty-four".