533977830 has 48 divisors (see below), whose sum is σ = 1389505104. Its totient is φ = 142274880.

The previous prime is 533977819. The next prime is 533977831. The reversal of 533977830 is 38779335.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (533977831) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 178245 + ... + 181215.

It is an arithmetic number, because the mean of its divisors is an integer number (28948023).

Almost surely, 2^533977830 is an apocalyptic number.

533977830 is an abundant number, since it is smaller than the sum of its proper divisors (855527274).

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

533977830 is a wasteful number, since it uses less digits than its factorization.

533977830 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4981 (or 4978 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 45.

The square root of 533977830 is about 23107.9603167393. The cubic root of 533977830 is about 811.2867978240.

The spelling of 533977830 in words is "five hundred thirty-three million, nine hundred seventy-seven thousand, eight hundred thirty".