420526867947 has 16 divisors (see below), whose sum is σ = 588599669760. Its totient is φ = 266709218400.

The previous prime is 420526867933. The next prime is 420526867967. The reversal of 420526867947 is 749768625024.

It is not a de Polignac number, because 420526867947 - 2¹⁰ = 420526866923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420526867967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 38314804 + ... + 38325777.

It is an arithmetic number, because the mean of its divisors is an integer number (36787479360).

Almost surely, 2^420526867947 is an apocalyptic number.

420526867947 is a deficient number, since it is larger than the sum of its proper divisors (168072801813).

420526867947 is a wasteful number, since it uses less digits than its factorization.

420526867947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76640674.

The product of its (nonzero) digits is 40642560, while the sum is 60.

The spelling of 420526867947 in words is "four hundred twenty billion, five hundred twenty-six million, eight hundred sixty-seven thousand, nine hundred forty-seven".