420676374671 has 16 divisors (see below), whose sum is σ = 494145069120. Its totient is φ = 350683534080.

The previous prime is 420676374563. The next prime is 420676374697. The reversal of 420676374671 is 176473676024.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 420676374671 - 2²⁶ = 420609265807 is a prime.

It is a super-3 number, since 3×420676374671³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420676334671) 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, 5496776 + ... + 5572781.

It is an arithmetic number, because the mean of its divisors is an integer number (30884066820).

Almost surely, 2^420676374671 is an apocalyptic number.

420676374671 is a deficient number, since it is larger than the sum of its proper divisors (73468694449).

420676374671 is a wasteful number, since it uses less digits than its factorization.

420676374671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11069714.

The product of its (nonzero) digits is 7112448, while the sum is 53.

The spelling of 420676374671 in words is "four hundred twenty billion, six hundred seventy-six million, three hundred seventy-four thousand, six hundred seventy-one".