90392245303785 has 8 divisors (see below), whose sum is σ = 144627592486080. Its totient is φ = 48209197495344.

The previous prime is 90392245303781. The next prime is 90392245303799. The reversal of 90392245303785 is 58730354229309.

It is a happy number.

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

It is not a de Polignac number, because 90392245303785 - 2² = 90392245303781 is a prime.

It is a super-2 number, since 2×90392245303785² (a number of 29 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (90392245303781) 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, 3013074843445 + ... + 3013074843474.

It is an arithmetic number, because the mean of its divisors is an integer number (18078449060760).

Almost surely, 2^{90392245303785} is an apocalyptic number.

It is an amenable number.

90392245303785 is a deficient number, since it is larger than the sum of its proper divisors (54235347182295).

90392245303785 is a wasteful number, since it uses less digits than its factorization.

90392245303785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6026149686927.

The product of its (nonzero) digits is 48988800, while the sum is 60.

The spelling of 90392245303785 in words is "ninety trillion, three hundred ninety-two billion, two hundred forty-five million, three hundred three thousand, seven hundred eighty-five".