87395222942 has 4 divisors (see below), whose sum is σ = 131092834416. Its totient is φ = 43697611470.

The previous prime is 87395222921. The next prime is 87395222977. The reversal of 87395222942 is 24922259378.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 21848805734 + ... + 21848805737.

It is an arithmetic number, because the mean of its divisors is an integer number (32773208604).

Almost surely, 2^87395222942 is an apocalyptic number.

87395222942 is a deficient number, since it is larger than the sum of its proper divisors (43697611474).

87395222942 is a wasteful number, since it uses less digits than its factorization.

87395222942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43697611473.

The product of its digits is 4354560, while the sum is 53.

The spelling of 87395222942 in words is "eighty-seven billion, three hundred ninety-five million, two hundred twenty-two thousand, nine hundred forty-two".