87672697442 has 32 divisors (see below), whose sum is σ = 144187475328. Its totient is φ = 39650800000.

The previous prime is 87672697423. The next prime is 87672697447. The reversal of 87672697442 is 24479627678.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (87672697447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4323467 + ... + 4343697.

It is an arithmetic number, because the mean of its divisors is an integer number (4505858604).

Almost surely, 2^87672697442 is an apocalyptic number.

87672697442 is a deficient number, since it is larger than the sum of its proper divisors (56514777886).

87672697442 is a wasteful number, since it uses less digits than its factorization.

87672697442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21226.

The product of its digits is 56899584, while the sum is 62.

The spelling of 87672697442 in words is "eighty-seven billion, six hundred seventy-two million, six hundred ninety-seven thousand, four hundred forty-two".