87665450146 has 8 divisors (see below), whose sum is σ = 131503357440. Its totient is φ = 43830997668.

The previous prime is 87665450143. The next prime is 87665450203. The reversal of 87665450146 is 64105456678.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×87665450146² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 87665450093 and 87665450102.

It is not an unprimeable number, because it can be changed into a prime (87665450143) 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, 799306 + ... + 902341.

It is an arithmetic number, because the mean of its divisors is an integer number (16437919680).

Almost surely, 2^87665450146 is an apocalyptic number.

87665450146 is a deficient number, since it is larger than the sum of its proper divisors (43837907294).

87665450146 is a wasteful number, since it uses less digits than its factorization.

87665450146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1727408.

The product of its (nonzero) digits is 4838400, while the sum is 52.

The spelling of 87665450146 in words is "eighty-seven billion, six hundred sixty-five million, four hundred fifty thousand, one hundred forty-six".