387979796534 has 16 divisors (see below), whose sum is σ = 634918348800. Its totient is φ = 176342697960.

The previous prime is 387979796527. The next prime is 387979796543. The reversal of 387979796534 is 435697979783.

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 7 ways as a sum of consecutive naturals, for example, 245774 + ... + 914529.

It is an arithmetic number, because the mean of its divisors is an integer number (39682396800).

Almost surely, 2^387979796534 is an apocalyptic number.

387979796534 is a deficient number, since it is larger than the sum of its proper divisors (246938552266).

387979796534 is a wasteful number, since it uses less digits than its factorization.

387979796534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1175515.

The product of its digits is 2160406080, while the sum is 77.

The spelling of 387979796534 in words is "three hundred eighty-seven billion, nine hundred seventy-nine million, seven hundred ninety-six thousand, five hundred thirty-four".