87192016 has 20 divisors (see below), whose sum is σ = 169380900. Its totient is φ = 43480832.

The previous prime is 87192013. The next prime is 87192019. The reversal of 87192016 is 61029178.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (87192013) and next prime (87192019).

It can be written as a sum of positive squares in 2 ways, for example, as 44890000 + 42302016 = 6700^2 + 6504^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (87192013) 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, 781 + ... + 13228.

It is an arithmetic number, because the mean of its divisors is an integer number (8469045).

Almost surely, 2^87192016 is an apocalyptic number.

It is an amenable number.

87192016 is a deficient number, since it is larger than the sum of its proper divisors (82188884).

87192016 is a wasteful number, since it uses less digits than its factorization.

87192016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14406 (or 14400 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 34.

The square root of 87192016 is about 9337.6665179262. Note that the first 3 decimals coincide. The cubic root of 87192016 is about 443.4305119222.

The spelling of 87192016 in words is "eighty-seven million, one hundred ninety-two thousand, sixteen".