90531973933848 has 64 divisors (see below), whose sum is σ = 251533357056000. Its totient is φ = 30170646442656.

The previous prime is 90531973933811. The next prime is 90531973933867. The reversal of 90531973933848 is 84833937913509.

90531973933848 is a `hidden beast` number, since 9 + 0 + 5 + 3 + 197 + 393 + 3 + 8 + 48 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45398040 + ... + 47350247.

It is an arithmetic number, because the mean of its divisors is an integer number (3930208704000).

Almost surely, 2^{90531973933848} is an apocalyptic number.

It is an amenable number.

90531973933848 is an abundant number, since it is smaller than the sum of its proper divisors (161001383122152).

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

90531973933848 is a wasteful number, since it uses less digits than its factorization.

90531973933848 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 92752821 (or 92752811 counting only the distinct ones).

The product of its (nonzero) digits is 529079040, while the sum is 72.

The spelling of 90531973933848 in words is "ninety trillion, five hundred thirty-one billion, nine hundred seventy-three million, nine hundred thirty-three thousand, eight hundred forty-eight".