4012778007 has 24 divisors (see below), whose sum is σ = 6912282624. Its totient is φ = 2193318864.

The previous prime is 4012777969. The next prime is 4012778023. The reversal of 4012778007 is 7008772104.

It is not a de Polignac number, because 4012778007 - 2¹⁵ = 4012745239 is a prime.

It is a super-2 number, since 2×4012778007² = 32204774666925784098, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4012778027) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1383223 + ... + 1386120.

It is an arithmetic number, because the mean of its divisors is an integer number (288011776).

Almost surely, 2^4012778007 is an apocalyptic number.

4012778007 is a deficient number, since it is larger than the sum of its proper divisors (2899504617).

4012778007 is a wasteful number, since it uses less digits than its factorization.

4012778007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2769379 (or 2769376 counting only the distinct ones).

The product of its (nonzero) digits is 21952, while the sum is 36.

The square root of 4012778007 is about 63346.4916708100. The cubic root of 4012778007 is about 1589.0895737268.

The spelling of 4012778007 in words is "four billion, twelve million, seven hundred seventy-eight thousand, seven".