412875781 has 8 divisors (see below), whose sum is σ = 428045184. Its totient is φ = 397949280.

The previous prime is 412875733. The next prime is 412875791. The reversal of 412875781 is 187578214.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 412875781 - 2¹³ = 412867589 is a prime.

It is a super-2 number, since 2×412875781² = 340932821072719922, which 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 (412875791) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57261 + ... + 64066.

It is an arithmetic number, because the mean of its divisors is an integer number (53505648).

Almost surely, 2^412875781 is an apocalyptic number.

412875781 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

412875781 is a deficient number, since it is larger than the sum of its proper divisors (15169403).

412875781 is a wasteful number, since it uses less digits than its factorization.

412875781 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 121451.

The product of its digits is 125440, while the sum is 43.

The square root of 412875781 is about 20319.3449943644. The cubic root of 412875781 is about 744.6287542699.

The spelling of 412875781 in words is "four hundred twelve million, eight hundred seventy-five thousand, seven hundred eighty-one".