90282928381 has 8 divisors (see below), whose sum is σ = 95820759864. Its totient is φ = 84770327040.

The previous prime is 90282928369. The next prime is 90282928403. The reversal of 90282928381 is 18382928209.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 9305689156 + 80977239225 = 96466^2 + 284565^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 90282928381 - 2²⁹ = 89746057469 is a prime.

It is a super-2 number, since 2×90282928381² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90282908381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6300160 + ... + 6314473.

It is an arithmetic number, because the mean of its divisors is an integer number (11977594983).

Almost surely, 2^90282928381 is an apocalyptic number.

It is an amenable number.

90282928381 is a deficient number, since it is larger than the sum of its proper divisors (5537831483).

90282928381 is a wasteful number, since it uses less digits than its factorization.

90282928381 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12615071.

The product of its (nonzero) digits is 995328, while the sum is 52.

The spelling of 90282928381 in words is "ninety billion, two hundred eighty-two million, nine hundred twenty-eight thousand, three hundred eighty-one".