87116801 has 4 divisors (see below), whose sum is σ = 90904512. Its totient is φ = 83329092.

The previous prime is 87116791. The next prime is 87116879. The reversal of 87116801 is 10861178.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10861178 = 2 ⋅5430589.

It is not a de Polignac number, because 87116801 - 2¹⁸ = 86854657 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (87116101) 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, 1893821 + ... + 1893866.

It is an arithmetic number, because the mean of its divisors is an integer number (22726128).

Almost surely, 2^87116801 is an apocalyptic number.

It is an amenable number.

87116801 is a deficient number, since it is larger than the sum of its proper divisors (3787711).

87116801 is a wasteful number, since it uses less digits than its factorization.

87116801 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3787710.

The product of its (nonzero) digits is 2688, while the sum is 32.

The square root of 87116801 is about 9333.6381438322. The cubic root of 87116801 is about 443.3029688188.

Adding to 87116801 its reverse (10861178), we get a palindrome (97977979).

The spelling of 87116801 in words is "eighty-seven million, one hundred sixteen thousand, eight hundred one".