9777252 has 12 divisors (see below), whose sum is σ = 22813616. Its totient is φ = 3259080.

The previous prime is 9777239. The next prime is 9777259. The reversal of 9777252 is 2527779.

It is a tau number, because it is divible by the number of its divisors (12).

It is a self number, because there is not a number n which added to its sum of digits gives 9777252.

It is not an unprimeable number, because it can be changed into a prime (9777259) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 407374 + ... + 407397.

Almost surely, 2^9777252 is an apocalyptic number.

It is an amenable number.

9777252 is an abundant number, since it is smaller than the sum of its proper divisors (13036364).

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

9777252 is a wasteful number, since it uses less digits than its factorization.

9777252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814778 (or 814776 counting only the distinct ones).

The product of its digits is 61740, while the sum is 39.

The square root of 9777252 is about 3126.8597666029. The cubic root of 9777252 is about 213.8317890895.

The spelling of 9777252 in words is "nine million, seven hundred seventy-seven thousand, two hundred fifty-two".