8378411580 has 672 divisors, whose sum is σ = 34903249920. Its totient is φ = 1634826240.

The previous prime is 8378411567. The next prime is 8378411617. The reversal of 8378411580 is 851148738.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 223 ways as a sum of consecutive naturals, for example, 19085001 + ... + 19085439.

It is an arithmetic number, because the mean of its divisors is an integer number (51939360).

Almost surely, 2^8378411580 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 8378411580, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17451624960).

8378411580 is an abundant number, since it is smaller than the sum of its proper divisors (26524838340).

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

8378411580 is a wasteful number, since it uses less digits than its factorization.

8378411580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 501 (or 484 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 45.

The square root of 8378411580 is about 91533.6636434924. The cubic root of 8378411580 is about 2031.0497599786.

The spelling of 8378411580 in words is "eight billion, three hundred seventy-eight million, four hundred eleven thousand, five hundred eighty".