420759387 has 16 divisors (see below), whose sum is σ = 623664000. Its totient is φ = 280363752.

The previous prime is 420759377. The next prime is 420759403. The reversal of 420759387 is 783957024.

It is not a de Polignac number, because 420759387 - 2⁶ = 420759323 is a prime.

It is not an unprimeable number, because it can be changed into a prime (420759307) 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, 96664 + ... + 100922.

It is an arithmetic number, because the mean of its divisors is an integer number (38979000).

Almost surely, 2^420759387 is an apocalyptic number.

420759387 is a deficient number, since it is larger than the sum of its proper divisors (202904613).

420759387 is a wasteful number, since it uses less digits than its factorization.

420759387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7927 (or 7921 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The square root of 420759387 is about 20512.4203106313. The cubic root of 420759387 is about 749.3383123977.

The spelling of 420759387 in words is "four hundred twenty million, seven hundred fifty-nine thousand, three hundred eighty-seven".