87794161 has 16 divisors (see below), whose sum is σ = 110694528. Its totient is φ = 67766400.

The previous prime is 87794141. The next prime is 87794191. The reversal of 87794161 is 16149778.

It is not a de Polignac number, because 87794161 - 2⁷ = 87794033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (87794141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8035 + ... + 15496.

It is an arithmetic number, because the mean of its divisors is an integer number (6918408).

Almost surely, 2^87794161 is an apocalyptic number.

It is an amenable number.

87794161 is a deficient number, since it is larger than the sum of its proper divisors (22900367).

87794161 is a wasteful number, since it uses less digits than its factorization.

87794161 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23592.

The product of its digits is 84672, while the sum is 43.

The square root of 87794161 is about 9369.8538409092. The cubic root of 87794161 is about 444.4489429383.

The spelling of 87794161 in words is "eighty-seven million, seven hundred ninety-four thousand, one hundred sixty-one".