87342916 has 6 divisors (see below), whose sum is σ = 152850110. Its totient is φ = 43671456.

The previous prime is 87342907. The next prime is 87342917. The reversal of 87342916 is 61924378.

It can be written as a sum of positive squares in only one way, i.e., 83905600 + 3437316 = 9160^2 + 1854^2 .

It is not an unprimeable number, because it can be changed into a prime (87342917) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10917861 + ... + 10917868.

Almost surely, 2^87342916 is an apocalyptic number.

It is an amenable number.

87342916 is a deficient number, since it is larger than the sum of its proper divisors (65507194).

87342916 is a wasteful number, since it uses less digits than its factorization.

87342916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21835733 (or 21835731 counting only the distinct ones).

The product of its digits is 72576, while the sum is 40.

The square root of 87342916 is about 9345.7432021215. The cubic root of 87342916 is about 443.6861740907.

The spelling of 87342916 in words is "eighty-seven million, three hundred forty-two thousand, nine hundred sixteen".