61768711852 has 12 divisors (see below), whose sum is σ = 111582189376. Its totient is φ = 29888086320.

The previous prime is 61768711843. The next prime is 61768711859. The reversal of 61768711852 is 25811786716.

It is a hoax number, since the sum of its digits (52) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 61768711852.

It is not an unprimeable number, because it can be changed into a prime (61768711859) 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, 249067263 + ... + 249067510.

Almost surely, 2^61768711852 is an apocalyptic number.

61768711852 is a gapful number since it is divisible by the number (62) formed by its first and last digit.

It is an amenable number.

61768711852 is a deficient number, since it is larger than the sum of its proper divisors (49813477524).

61768711852 is a wasteful number, since it uses less digits than its factorization.

61768711852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498134808 (or 498134806 counting only the distinct ones).

The product of its digits is 1128960, while the sum is 52.

The spelling of 61768711852 in words is "sixty-one billion, seven hundred sixty-eight million, seven hundred eleven thousand, eight hundred fifty-two".