252732426787 has 8 divisors (see below), whose sum is σ = 266047370000. Its totient is φ = 239418807264.

The previous prime is 252732426769. The next prime is 252732426803. The reversal of 252732426787 is 787624237252.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-252732426787 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (252732426187) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73693 + ... + 714769.

It is an arithmetic number, because the mean of its divisors is an integer number (33255921250).

Almost surely, 2^252732426787 is an apocalyptic number.

252732426787 is a deficient number, since it is larger than the sum of its proper divisors (13314943213).

252732426787 is a wasteful number, since it uses less digits than its factorization.

252732426787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 661845.

The product of its digits is 15805440, while the sum is 55.

The spelling of 252732426787 in words is "two hundred fifty-two billion, seven hundred thirty-two million, four hundred twenty-six thousand, seven hundred eighty-seven".