87967946 has 16 divisors (see below), whose sum is σ = 144097920. Its totient is φ = 39943680.

The previous prime is 87967937. The next prime is 87967949. The reversal of 87967946 is 64976978.

It is a junction number, because it is equal to n+sod(n) for n = 87967891 and 87967900.

It is not an unprimeable number, because it can be changed into a prime (87967949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31370 + ... + 34058.

It is an arithmetic number, because the mean of its divisors is an integer number (9006120).

Almost surely, 2^87967946 is an apocalyptic number.

87967946 is a deficient number, since it is larger than the sum of its proper divisors (56129974).

87967946 is a wasteful number, since it uses less digits than its factorization.

87967946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4189.

The product of its digits is 4572288, while the sum is 56.

The square root of 87967946 is about 9379.1228800992. The cubic root of 87967946 is about 444.7420059055.

The spelling of 87967946 in words is "eighty-seven million, nine hundred sixty-seven thousand, nine hundred forty-six".