387099372738 has 16 divisors (see below), whose sum is σ = 833752495296. Its totient is φ = 119107499280.

The previous prime is 387099372731. The next prime is 387099372761. The reversal of 387099372738 is 837273990783.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (387099372731) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2481406158 + ... + 2481406313.

It is an arithmetic number, because the mean of its divisors is an integer number (52109530956).

Almost surely, 2^387099372738 is an apocalyptic number.

387099372738 is an abundant number, since it is smaller than the sum of its proper divisors (446653122558).

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

387099372738 is a wasteful number, since it uses less digits than its factorization.

387099372738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4962812489.

The product of its (nonzero) digits is 96018048, while the sum is 66.

The spelling of 387099372738 in words is "three hundred eighty-seven billion, ninety-nine million, three hundred seventy-two thousand, seven hundred thirty-eight".