378654487800 has 768 divisors, whose sum is σ = 1332943257600. Its totient is φ = 88420147200.

The previous prime is 378654487753. The next prime is 378654487819. The reversal of 378654487800 is 8784456873.

It is a happy number.

It is a super-2 number, since 2×378654487800² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 191 ways as a sum of consecutive naturals, for example, 2115388111 + ... + 2115388289.

It is an arithmetic number, because the mean of its divisors is an integer number (1735603200).

Almost surely, 2^378654487800 is an apocalyptic number.

378654487800 is a gapful number since it is divisible by the number (30) 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 378654487800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (666471628800).

378654487800 is an abundant number, since it is smaller than the sum of its proper divisors (954288769800).

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

378654487800 is a wasteful number, since it uses less digits than its factorization.

378654487800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 436 (or 427 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 60.

The spelling of 378654487800 in words is "three hundred seventy-eight billion, six hundred fifty-four million, four hundred eighty-seven thousand, eight hundred".