78298362852 has 12 divisors (see below), whose sum is σ = 182696180016. Its totient is φ = 26099454280.

The previous prime is 78298362841. The next prime is 78298362887. The reversal of 78298362852 is 25826389287.

It is a happy number.

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

It is a super-2 number, since 2×78298362852² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3262431774 + ... + 3262431797.

It is an arithmetic number, because the mean of its divisors is an integer number (15224681668).

Almost surely, 2^78298362852 is an apocalyptic number.

It is an amenable number.

78298362852 is an abundant number, since it is smaller than the sum of its proper divisors (104397817164).

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

78298362852 is a wasteful number, since it uses less digits than its factorization.

78298362852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6524863578 (or 6524863576 counting only the distinct ones).

The product of its digits is 23224320, while the sum is 60.

The spelling of 78298362852 in words is "seventy-eight billion, two hundred ninety-eight million, three hundred sixty-two thousand, eight hundred fifty-two".