387989506034 has 64 divisors (see below), whose sum is σ = 659261611008. Its totient is φ = 169912987200.

The previous prime is 387989505923. The next prime is 387989506211. The reversal of 387989506034 is 430605989783.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 55654169 + ... + 55661139.

It is an arithmetic number, because the mean of its divisors is an integer number (10300962672).

Almost surely, 2^387989506034 is an apocalyptic number.

387989506034 is a deficient number, since it is larger than the sum of its proper divisors (271272104974).

387989506034 is a wasteful number, since it uses less digits than its factorization.

387989506034 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7743.

The product of its (nonzero) digits is 39191040, while the sum is 62.

The spelling of 387989506034 in words is "three hundred eighty-seven billion, nine hundred eighty-nine million, five hundred six thousand, thirty-four".