78894562032 has 480 divisors, whose sum is σ = 276225177600. Its totient is φ = 21349785600.

The previous prime is 78894562007. The next prime is 78894562039. The reversal of 78894562032 is 23026549887.

78894562032 is a `hidden beast` number, since 7 + 8 + 8 + 9 + 4 + 5 + 620 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 78894562032.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78894562039) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 24894144 + ... + 24897312.

It is an arithmetic number, because the mean of its divisors is an integer number (575469120).

Almost surely, 2^78894562032 is an apocalyptic number.

78894562032 is a gapful number since it is divisible by the number (72) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 78894562032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (138112588800).

78894562032 is an abundant number, since it is smaller than the sum of its proper divisors (197330615568).

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

78894562032 is a wasteful number, since it uses less digits than its factorization.

78894562032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3254 (or 3229 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 78894562032 in words is "seventy-eight billion, eight hundred ninety-four million, five hundred sixty-two thousand, thirty-two".