90470859606 has 256 divisors, whose sum is σ = 220785868800. Its totient is φ = 27390182400.

The previous prime is 90470859601. The next prime is 90470859613. The reversal of 90470859606 is 60695807409.

90470859606 is a `hidden beast` number, since 9 + 0 + 47 + 0 + 8 + 596 + 0 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90470859601) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 405698811 + ... + 405699033.

It is an arithmetic number, because the mean of its divisors is an integer number (862444800).

Almost surely, 2^90470859606 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90470859606, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (110392934400).

90470859606 is an abundant number, since it is smaller than the sum of its proper divisors (130315009194).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90470859606 is a wasteful number, since it uses less digits than its factorization.

90470859606 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492 (or 486 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 54.

The spelling of 90470859606 in words is "ninety billion, four hundred seventy million, eight hundred fifty-nine thousand, six hundred six".