420117207677 has 8 divisors (see below), whose sum is σ = 442852389600. Its totient is φ = 397444400784.

The previous prime is 420117207641. The next prime is 420117207799. The reversal of 420117207677 is 776702711024.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 420117207677 - 2¹⁴ = 420117191293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420117207877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15579923 + ... + 15606864.

It is an arithmetic number, because the mean of its divisors is an integer number (55356548700).

Almost surely, 2^420117207677 is an apocalyptic number.

It is an amenable number.

420117207677 is a deficient number, since it is larger than the sum of its proper divisors (22735181923).

420117207677 is a wasteful number, since it uses less digits than its factorization.

420117207677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31187515.

The product of its (nonzero) digits is 230496, while the sum is 44.

The spelling of 420117207677 in words is "four hundred twenty billion, one hundred seventeen million, two hundred seven thousand, six hundred seventy-seven".