395990001277 has 16 divisors (see below), whose sum is σ = 428408307712. Its totient is φ = 363854514240.

The previous prime is 395990001263. The next prime is 395990001289. The reversal of 395990001277 is 772100099593.

It is a cyclic number.

It is not a de Polignac number, because 395990001277 - 2⁷ = 395990001149 is a prime.

It is a super-2 number, since 2×395990001277² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (395996001277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2955652 + ... + 3086722.

It is an arithmetic number, because the mean of its divisors is an integer number (26775519232).

Almost surely, 2^395990001277 is an apocalyptic number.

It is an amenable number.

395990001277 is a deficient number, since it is larger than the sum of its proper divisors (32418306435).

395990001277 is a wasteful number, since it uses less digits than its factorization.

395990001277 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132148.

The product of its (nonzero) digits is 1071630, while the sum is 52.

The spelling of 395990001277 in words is "three hundred ninety-five billion, nine hundred ninety million, one thousand, two hundred seventy-seven".