90478722382 has 8 divisors (see below), whose sum is σ = 135748657152. Its totient is φ = 45229170000.

The previous prime is 90478722307. The next prime is 90478722391. The reversal of 90478722382 is 28322787409.

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

It is a congruent number.

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, 5084494 + ... + 5102257.

It is an arithmetic number, because the mean of its divisors is an integer number (16968582144).

Almost surely, 2^90478722382 is an apocalyptic number.

90478722382 is a deficient number, since it is larger than the sum of its proper divisors (45269934770).

90478722382 is a wasteful number, since it uses less digits than its factorization.

90478722382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10191194.

The product of its (nonzero) digits is 2709504, while the sum is 52.

The spelling of 90478722382 in words is "ninety billion, four hundred seventy-eight million, seven hundred twenty-two thousand, three hundred eighty-two".