412239977 has 4 divisors (see below), whose sum is σ = 423381636. Its totient is φ = 401098320.

The previous prime is 412239967. The next prime is 412239983. The reversal of 412239977 is 779932214.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 351150121 + 61089856 = 18739^2 + 7816^2 .

It is a cyclic number.

It is not a de Polignac number, because 412239977 - 2⁶ = 412239913 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (412239917) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5570774 + ... + 5570847.

It is an arithmetic number, because the mean of its divisors is an integer number (105845409).

Almost surely, 2^412239977 is an apocalyptic number.

It is an amenable number.

412239977 is a deficient number, since it is larger than the sum of its proper divisors (11141659).

412239977 is a wasteful number, since it uses less digits than its factorization.

412239977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11141658.

The product of its digits is 190512, while the sum is 44.

The square root of 412239977 is about 20303.6936787374. The cubic root of 412239977 is about 744.2463299892.

The spelling of 412239977 in words is "four hundred twelve million, two hundred thirty-nine thousand, nine hundred seventy-seven".