420613876 has 6 divisors (see below), whose sum is σ = 736074290. Its totient is φ = 210306936.

The previous prime is 420613867. The next prime is 420613877. The reversal of 420613876 is 678316024.

It can be written as a sum of positive squares in only one way, i.e., 373416976 + 47196900 = 19324^2 + 6870^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420613877) 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 as a sum of consecutive naturals, namely, 52576731 + ... + 52576738.

Almost surely, 2^420613876 is an apocalyptic number.

It is an amenable number.

420613876 is a deficient number, since it is larger than the sum of its proper divisors (315460414).

420613876 is a wasteful number, since it uses less digits than its factorization.

420613876 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105153473 (or 105153471 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 420613876 is about 20508.8731040981. The cubic root of 420613876 is about 749.2519213451.

The spelling of 420613876 in words is "four hundred twenty million, six hundred thirteen thousand, eight hundred seventy-six".