387915292380 has 576 divisors, whose sum is σ = 1411966950912. Its totient is φ = 78657546240.

The previous prime is 387915292379. The next prime is 387915292411. The reversal of 387915292380 is 83292519783.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 387915292380.

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, 389082042 + ... + 389083038.

It is an arithmetic number, because the mean of its divisors is an integer number (2451331512).

Almost surely, 2^387915292380 is an apocalyptic number.

387915292380 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 387915292380, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (705983475456).

387915292380 is an abundant number, since it is smaller than the sum of its proper divisors (1024051658532).

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

387915292380 is a wasteful number, since it uses less digits than its factorization.

387915292380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1314 (or 1305 counting only the distinct ones).

The product of its (nonzero) digits is 6531840, while the sum is 57.

The spelling of 387915292380 in words is "three hundred eighty-seven billion, nine hundred fifteen million, two hundred ninety-two thousand, three hundred eighty".