533903077890 has 768 divisors, whose sum is σ = 1838146867200. Its totient is φ = 107881113600.

The previous prime is 533903077859. The next prime is 533903077891. The reversal of 533903077890 is 98770309335.

It is a happy number.

533903077890 is a `hidden beast` number, since 533 + 9 + 0 + 30 + 7 + 78 + 9 + 0 = 666.

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

It is not an unprimeable number, because it can be changed into a prime (533903077891) by changing a digit.

It is a polite number, since it can be written in 383 ways as a sum of consecutive naturals, for example, 772652445 + ... + 772653135.

It is an arithmetic number, because the mean of its divisors is an integer number (2393420400).

Almost surely, 2^533903077890 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 533903077890, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (919073433600).

533903077890 is an abundant number, since it is smaller than the sum of its proper divisors (1304243789310).

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

533903077890 is a wasteful number, since it uses less digits than its factorization.

533903077890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 840 (or 821 counting only the distinct ones).

The product of its (nonzero) digits is 4286520, while the sum is 54.

The spelling of 533903077890 in words is "five hundred thirty-three billion, nine hundred three million, seventy-seven thousand, eight hundred ninety".