78533636483718 has 192 divisors, whose sum is σ = 191214191960064. Its totient is φ = 23130958752000.

The previous prime is 78533636483657. The next prime is 78533636483747. The reversal of 78533636483718 is 81738463633587.

It is a happy number.

78533636483718 is a `hidden beast` number, since 7 + 8 + 533 + 6 + 3 + 6 + 4 + 83 + 7 + 1 + 8 = 666.

It is a super-2 number, since 2×78533636483718² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 512977123 + ... + 513130193.

It is an arithmetic number, because the mean of its divisors is an integer number (995907249792).

Almost surely, 2^{78533636483718} is an apocalyptic number.

78533636483718 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 78533636483718, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95607095980032).

78533636483718 is an abundant number, since it is smaller than the sum of its proper divisors (112680555476346).

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

78533636483718 is a wasteful number, since it uses less digits than its factorization.

78533636483718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153891 (or 153888 counting only the distinct ones).

The product of its digits is 1463132160, while the sum is 72.

The spelling of 78533636483718 in words is "seventy-eight trillion, five hundred thirty-three billion, six hundred thirty-six million, four hundred eighty-three thousand, seven hundred eighteen".