412465978 has 4 divisors (see below), whose sum is σ = 618698970. Its totient is φ = 206232988.

The previous prime is 412465967. The next prime is 412465979. The reversal of 412465978 is 879564214.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 879564214 = 2 ⋅439782107.

It can be written as a sum of positive squares in only one way, i.e., 274332969 + 138133009 = 16563^2 + 11753^2 .

It is not an unprimeable number, because it can be changed into a prime (412465979) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103116493 + ... + 103116496.

Almost surely, 2^412465978 is an apocalyptic number.

412465978 is a deficient number, since it is larger than the sum of its proper divisors (206232992).

412465978 is a wasteful number, since it uses less digits than its factorization.

412465978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206232991.

The product of its digits is 483840, while the sum is 46.

The square root of 412465978 is about 20309.2584305779. The cubic root of 412465978 is about 744.3823104021.

The spelling of 412465978 in words is "four hundred twelve million, four hundred sixty-five thousand, nine hundred seventy-eight".