387129277479 has 96 divisors (see below), whose sum is σ = 631737384960. Its totient is φ = 206418663360.

The previous prime is 387129277477. The next prime is 387129277487. The reversal of 387129277479 is 974772921783.

It is not a de Polignac number, because 387129277479 - 2¹ = 387129277477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (387129277477) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 68552034 + ... + 68557680.

It is an arithmetic number, because the mean of its divisors is an integer number (6580597760).

Almost surely, 2^387129277479 is an apocalyptic number.

387129277479 is a deficient number, since it is larger than the sum of its proper divisors (244608107481).

387129277479 is a wasteful number, since it uses less digits than its factorization.

387129277479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5841 (or 5810 counting only the distinct ones).

The product of its digits is 74680704, while the sum is 66.

The spelling of 387129277479 in words is "three hundred eighty-seven billion, one hundred twenty-nine million, two hundred seventy-seven thousand, four hundred seventy-nine".