400112707 has 2 divisors, whose sum is σ = 400112708. Its totient is φ = 400112706.

The previous prime is 400112653. The next prime is 400112723. The reversal of 400112707 is 707211004.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-400112707 is a prime.

It is not a weakly prime, because it can be changed into another prime (400112407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 200056353 + 200056354.

It is an arithmetic number, because the mean of its divisors is an integer number (200056354).

Almost surely, 2^400112707 is an apocalyptic number.

400112707 is a deficient number, since it is larger than the sum of its proper divisors (1).

400112707 is an equidigital number, since it uses as much as digits as its factorization.

400112707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 392, while the sum is 22.

The square root of 400112707 is about 20002.8174765456. The cubic root of 400112707 is about 736.8754959191.

The spelling of 400112707 in words is "four hundred million, one hundred twelve thousand, seven hundred seven".