420764311 has 12 divisors (see below), whose sum is σ = 463269856. Its totient is φ = 381870720.

The previous prime is 420764299. The next prime is 420764327. The reversal of 420764311 is 113467024.

It is not a de Polignac number, because 420764311 - 2²¹ = 418667159 is a prime.

It is a super-2 number, since 2×420764311² = 354085210822609442, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420764311.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420764611) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 78850 + ... + 84016.

Almost surely, 2^420764311 is an apocalyptic number.

420764311 is a deficient number, since it is larger than the sum of its proper divisors (42505545).

420764311 is a wasteful number, since it uses less digits than its factorization.

420764311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5862 (or 5851 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 420764311 is about 20512.5403351218. The cubic root of 420764311 is about 749.3412354677.

The spelling of 420764311 in words is "four hundred twenty million, seven hundred sixty-four thousand, three hundred eleven".