87642242874406 has 64 divisors (see below), whose sum is σ = 150885685958400. Its totient is φ = 37808946179200.

The previous prime is 87642242874397. The next prime is 87642242874413. The reversal of 87642242874406 is 60447824224678.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 554124096 + ... + 554282236.

It is an arithmetic number, because the mean of its divisors is an integer number (2357588843100).

Almost surely, 2^{87642242874406} is an apocalyptic number.

87642242874406 is a deficient number, since it is larger than the sum of its proper divisors (63243443083994).

87642242874406 is a wasteful number, since it uses less digits than its factorization.

87642242874406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 172965.

The product of its (nonzero) digits is 231211008, while the sum is 64.

The spelling of 87642242874406 in words is "eighty-seven trillion, six hundred forty-two billion, two hundred forty-two million, eight hundred seventy-four thousand, four hundred six".