78410072832 has 324 divisors, whose sum is σ = 262887486120. Its totient is φ = 20677902336.

The previous prime is 78410072831. The next prime is 78410072849. The reversal of 78410072832 is 23827001487.

It is a super-2 number, since 2×78410072832² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (78410072831) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 6353644 + ... + 6365972.

It is an arithmetic number, because the mean of its divisors is an integer number (811381130).

Almost surely, 2^78410072832 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 78410072832, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (131443743060).

78410072832 is an abundant number, since it is smaller than the sum of its proper divisors (184477413288).

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

78410072832 is a wasteful number, since it uses less digits than its factorization.

78410072832 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12388 (or 12354 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The spelling of 78410072832 in words is "seventy-eight billion, four hundred ten million, seventy-two thousand, eight hundred thirty-two".