252777701630 has 32 divisors (see below), whose sum is σ = 471064053600. Its totient is φ = 97546809472.

The previous prime is 252777701611. The next prime is 252777701633. The reversal of 252777701630 is 36107777252.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (252777701633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18944 + ... + 711276.

It is an arithmetic number, because the mean of its divisors is an integer number (14720751675).

Almost surely, 2^252777701630 is an apocalyptic number.

252777701630 is a deficient number, since it is larger than the sum of its proper divisors (218286351970).

252777701630 is a wasteful number, since it uses less digits than its factorization.

252777701630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 693628.

The product of its (nonzero) digits is 864360, while the sum is 47.

The spelling of 252777701630 in words is "two hundred fifty-two billion, seven hundred seventy-seven million, seven hundred one thousand, six hundred thirty".