90347207028 has 288 divisors, whose sum is σ = 249108787200. Its totient is φ = 25281704448.

The previous prime is 90347207017. The next prime is 90347207087. The reversal of 90347207028 is 82070274309.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 238382943 + ... + 238383321.

Almost surely, 2^90347207028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 90347207028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (124554393600).

90347207028 is an abundant number, since it is smaller than the sum of its proper divisors (158761580172).

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

90347207028 is a wasteful number, since it uses less digits than its factorization.

90347207028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 559 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 169344, while the sum is 42.

The spelling of 90347207028 in words is "ninety billion, three hundred forty-seven million, two hundred seven thousand, twenty-eight".