420777741 has 16 divisors (see below), whose sum is σ = 566115264. Its totient is φ = 277989504.

The previous prime is 420777703. The next prime is 420777751. The reversal of 420777741 is 147777024.

It is not a de Polignac number, because 420777741 - 2⁷ = 420777613 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 420777741.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420777751) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 219001 + ... + 220913.

It is an arithmetic number, because the mean of its divisors is an integer number (35382204).

Almost surely, 2^420777741 is an apocalyptic number.

It is an amenable number.

420777741 is a deficient number, since it is larger than the sum of its proper divisors (145337523).

420777741 is a wasteful number, since it uses less digits than its factorization.

420777741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2540.

The product of its (nonzero) digits is 76832, while the sum is 39.

The square root of 420777741 is about 20512.8676932310. The cubic root of 420777741 is about 749.3492079006.

The spelling of 420777741 in words is "four hundred twenty million, seven hundred seventy-seven thousand, seven hundred forty-one".