850440707 has 2 divisors, whose sum is σ = 850440708. Its totient is φ = 850440706.

The previous prime is 850440697. The next prime is 850440727. The reversal of 850440707 is 707044058.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 850440707 - 2¹⁶ = 850375171 is a prime.

It is a super-2 number, since 2×850440707² = 1446498792245319698, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (850440727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 425220353 + 425220354.

It is an arithmetic number, because the mean of its divisors is an integer number (425220354).

Almost surely, 2^850440707 is an apocalyptic number.

850440707 is a deficient number, since it is larger than the sum of its proper divisors (1).

850440707 is an equidigital number, since it uses as much as digits as its factorization.

850440707 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31360, while the sum is 35.

The square root of 850440707 is about 29162.3165575028. The cubic root of 850440707 is about 947.4319217406.

The spelling of 850440707 in words is "eight hundred fifty million, four hundred forty thousand, seven hundred seven".