420186377375 has 8 divisors (see below), whose sum is σ = 524392599120. Its totient is φ = 336149101800.

The previous prime is 420186377371. The next prime is 420186377411. The reversal of 420186377375 is 573773681024.

It is not a de Polignac number, because 420186377375 - 2² = 420186377371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420186377371) 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, 1680745385 + ... + 1680745634.

It is an arithmetic number, because the mean of its divisors is an integer number (65549074890).

Almost surely, 2^420186377375 is an apocalyptic number.

420186377375 is a deficient number, since it is larger than the sum of its proper divisors (104206221745).

420186377375 is an equidigital number, since it uses as much as digits as its factorization.

420186377375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361491034 (or 3361491024 counting only the distinct ones).

The product of its (nonzero) digits is 5927040, while the sum is 53.

The spelling of 420186377375 in words is "four hundred twenty billion, one hundred eighty-six million, three hundred seventy-seven thousand, three hundred seventy-five".