387930378780 has 288 divisors, whose sum is σ = 1359358640640. Its totient is φ = 87716805120.

The previous prime is 387930378769. The next prime is 387930378791. The reversal of 387930378780 is 87873039783.

It is an interprime number because it is at equal distance from previous prime (387930378769) and next prime (387930378791).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 44427015 + ... + 44435745.

It is an arithmetic number, because the mean of its divisors is an integer number (4719995280).

Almost surely, 2^387930378780 is an apocalyptic number.

387930378780 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 387930378780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (679679320320).

387930378780 is an abundant number, since it is smaller than the sum of its proper divisors (971428261860).

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

387930378780 is a wasteful number, since it uses less digits than its factorization.

387930378780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9129 (or 9124 counting only the distinct ones).

The product of its (nonzero) digits is 42674688, while the sum is 63.

The spelling of 387930378780 in words is "three hundred eighty-seven billion, nine hundred thirty million, three hundred seventy-eight thousand, seven hundred eighty".