78483185380752 has 160 divisors (see below), whose sum is σ = 214439323338240. Its totient is φ = 24665959296000.

The previous prime is 78483185380723. The next prime is 78483185380759. The reversal of 78483185380752 is 25708358138487.

It is a super-2 number, since 2×78483185380752² (a number of 29 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (78483185380759) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 172141252 + ... + 172596572.

It is an arithmetic number, because the mean of its divisors is an integer number (1340245770864).

Almost surely, 2^{78483185380752} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78483185380752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107219661669120).

78483185380752 is an abundant number, since it is smaller than the sum of its proper divisors (135956137957488).

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

78483185380752 is a wasteful number, since it uses less digits than its factorization.

78483185380752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456253 (or 456247 counting only the distinct ones).

The product of its (nonzero) digits is 361267200, while the sum is 69.

The spelling of 78483185380752 in words is "seventy-eight trillion, four hundred eighty-three billion, one hundred eighty-five million, three hundred eighty thousand, seven hundred fifty-two".