420378750083 has 4 divisors (see below), whose sum is σ = 420381664248. Its totient is φ = 420375835920.

The previous prime is 420378750047. The next prime is 420378750097. The reversal of 420378750083 is 380057873024.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 420378750083 - 2⁶ = 420378750019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (420378750013) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1228778 + ... + 1533183.

It is an arithmetic number, because the mean of its divisors is an integer number (105095416062).

Almost surely, 2^420378750083 is an apocalyptic number.

420378750083 is a deficient number, since it is larger than the sum of its proper divisors (2914165).

420378750083 is a wasteful number, since it uses less digits than its factorization.

420378750083 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2914164.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The spelling of 420378750083 in words is "four hundred twenty billion, three hundred seventy-eight million, seven hundred fifty thousand, eighty-three".