90890012002 has 8 divisors (see below), whose sum is σ = 138645781200. Its totient is φ = 44674751604.

The previous prime is 90890011931. The next prime is 90890012027. The reversal of 90890012002 is 20021009809.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 385127052 + ... + 385127287.

It is an arithmetic number, because the mean of its divisors is an integer number (17330722650).

Almost surely, 2^90890012002 is an apocalyptic number.

90890012002 is a deficient number, since it is larger than the sum of its proper divisors (47755769198).

90890012002 is a wasteful number, since it uses less digits than its factorization.

90890012002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 770254400.

The product of its (nonzero) digits is 2592, while the sum is 31.

The spelling of 90890012002 in words is "ninety billion, eight hundred ninety million, twelve thousand, two".