78252755778300 has 72 divisors (see below), whose sum is σ = 226418758212976. Its totient is φ = 20866714767360.

The previous prime is 78252755778289. The next prime is 78252755778383. The reversal of 78252755778300 is 387755725287.

It is a super-2 number, since 2×78252755778300² (a number of 29 digits) contains 22 as substring.

It is a hoax number, since the sum of its digits (66) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4870812 + ... + 13424988.

Almost surely, 2^{78252755778300} is an apocalyptic number.

It is an amenable number.

78252755778300 is an abundant number, since it is smaller than the sum of its proper divisors (148166002434676).

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

78252755778300 is a wasteful number, since it uses less digits than its factorization.

78252755778300 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8584687 (or 8584680 counting only the distinct ones).

The product of its (nonzero) digits is 230496000, while the sum is 66.

The spelling of 78252755778300 in words is "seventy-eight trillion, two hundred fifty-two billion, seven hundred fifty-five million, seven hundred seventy-eight thousand, three hundred".