421772277107 has 2 divisors, whose sum is σ = 421772277108. Its totient is φ = 421772277106.

The previous prime is 421772277103. The next prime is 421772277161. The reversal of 421772277107 is 701772277124.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 421772277107 - 2² = 421772277103 is a prime.

It is a super-5 number, since 5×421772277107⁵ (a number of 59 digits) contains 55555 as substring.

It is not a weakly prime, because it can be changed into another prime (421772277103) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 210886138553 + 210886138554.

It is an arithmetic number, because the mean of its divisors is an integer number (210886138554).

Almost surely, 2^421772277107 is an apocalyptic number.

421772277107 is a deficient number, since it is larger than the sum of its proper divisors (1).

421772277107 is an equidigital number, since it uses as much as digits as its factorization.

421772277107 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 537824, while the sum is 47.

The spelling of 421772277107 in words is "four hundred twenty-one billion, seven hundred seventy-two million, two hundred seventy-seven thousand, one hundred seven".