530778775 has 24 divisors (see below), whose sum is σ = 701205120. Its totient is φ = 397398240.

The previous prime is 530778767. The next prime is 530778779. The reversal of 530778775 is 577877035.

It is a happy number.

It is not a de Polignac number, because 530778775 - 2³ = 530778767 is a prime.

It is a super-2 number, since 2×530778775² = 563452215981001250, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (530778779) 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, 32694 + ... + 46156.

It is an arithmetic number, because the mean of its divisors is an integer number (29216880).

Almost surely, 2^530778775 is an apocalyptic number.

530778775 is a deficient number, since it is larger than the sum of its proper divisors (170426345).

530778775 is a wasteful number, since it uses less digits than its factorization.

530778775 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13575 (or 13570 counting only the distinct ones).

The product of its (nonzero) digits is 1440600, while the sum is 49.

The square root of 530778775 is about 23038.6365699014. The cubic root of 530778775 is about 809.6634150001.

The spelling of 530778775 in words is "five hundred thirty million, seven hundred seventy-eight thousand, seven hundred seventy-five".