8390013775 has 24 divisors (see below), whose sum is σ = 12222436464. Its totient is φ = 5632454400.

The previous prime is 8390013767. The next prime is 8390013781. The reversal of 8390013775 is 5773100938.

It is not a de Polignac number, because 8390013775 - 2³ = 8390013767 is a prime.

It is a super-2 number, since 2×8390013775² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1169854 + ... + 1177003.

It is an arithmetic number, because the mean of its divisors is an integer number (509268186).

Almost surely, 2^8390013775 is an apocalyptic number.

8390013775 is a deficient number, since it is larger than the sum of its proper divisors (3832422689).

8390013775 is a wasteful number, since it uses less digits than its factorization.

8390013775 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2346891 (or 2346886 counting only the distinct ones).

The product of its (nonzero) digits is 158760, while the sum is 43.

The square root of 8390013775 is about 91597.0183739624. The cubic root of 8390013775 is about 2031.9868415994.

The spelling of 8390013775 in words is "eight billion, three hundred ninety million, thirteen thousand, seven hundred seventy-five".