87916073 has 8 divisors (see below), whose sum is σ = 100599360. Its totient is φ = 75263760.

The previous prime is 87916063. The next prime is 87916079. The reversal of 87916073 is 37061978.

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 87916073 - 2⁴ = 87916057 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 87916073.

It is not an unprimeable number, because it can be changed into a prime (87916079) 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, 1298 + ... + 13323.

It is an arithmetic number, because the mean of its divisors is an integer number (12574920).

Almost surely, 2^87916073 is an apocalyptic number.

It is an amenable number.

87916073 is a deficient number, since it is larger than the sum of its proper divisors (12683287).

87916073 is a wasteful number, since it uses less digits than its factorization.

87916073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15487.

The product of its (nonzero) digits is 63504, while the sum is 41.

The square root of 87916073 is about 9376.3571284375. The cubic root of 87916073 is about 444.6545701243.

The spelling of 87916073 in words is "eighty-seven million, nine hundred sixteen thousand, seventy-three".