399277846147 has 4 divisors (see below), whose sum is σ = 399447681696. Its totient is φ = 399108010600.

The previous prime is 399277846133. The next prime is 399277846153. The reversal of 399277846147 is 741648772993.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 741648772993 = 19 ⋅39034145947.

It is a cyclic number.

It is not a de Polignac number, because 399277846147 - 2²³ = 399269457539 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (399277846127) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 84914248 + ... + 84918949.

It is an arithmetic number, because the mean of its divisors is an integer number (99861920424).

Almost surely, 2^399277846147 is an apocalyptic number.

399277846147 is a deficient number, since it is larger than the sum of its proper divisors (169835549).

399277846147 is a wasteful number, since it uses less digits than its factorization.

399277846147 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 169835548.

The product of its digits is 128024064, while the sum is 67.

The spelling of 399277846147 in words is "three hundred ninety-nine billion, two hundred seventy-seven million, eight hundred forty-six thousand, one hundred forty-seven".