78041880 has 384 divisors, whose sum is σ = 318689280. Its totient is φ = 16796160.

The previous prime is 78041867. The next prime is 78041903. The reversal of 78041880 is 8814087.

It is a Harshad number since it is a multiple of its sum of digits (36).

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, 2109222 + ... + 2109258.

It is an arithmetic number, because the mean of its divisors is an integer number (829920).

Almost surely, 2^78041880 is an apocalyptic number.

78041880 is a gapful number since it is divisible by the number (70) 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 78041880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (159344640).

78041880 is an abundant number, since it is smaller than the sum of its proper divisors (240647400).

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

78041880 is a wasteful number, since it uses less digits than its factorization.

78041880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101 (or 85 counting only the distinct ones).

The product of its (nonzero) digits is 14336, while the sum is 36.

The square root of 78041880 is about 8834.1315362632. The cubic root of 78041880 is about 427.3423241226.

The spelling of 78041880 in words is "seventy-eight million, forty-one thousand, eight hundred eighty".