387890125390 has 32 divisors (see below), whose sum is σ = 724346726400. Its totient is φ = 149396464800.

The previous prime is 387890125367. The next prime is 387890125393. The reversal of 387890125390 is 93521098783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387890125393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3082176 + ... + 3205555.

It is an arithmetic number, because the mean of its divisors is an integer number (22635835200).

Almost surely, 2^387890125390 is an apocalyptic number.

387890125390 is a deficient number, since it is larger than the sum of its proper divisors (336456601010).

387890125390 is a wasteful number, since it uses less digits than its factorization.

387890125390 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6287968.

The product of its (nonzero) digits is 3265920, while the sum is 55.

The spelling of 387890125390 in words is "three hundred eighty-seven billion, eight hundred ninety million, one hundred twenty-five thousand, three hundred ninety".