7685518463 has 16 divisors (see below), whose sum is σ = 8810456064. Its totient is φ = 6567372000.

The previous prime is 7685518409. The next prime is 7685518483. The reversal of 7685518463 is 3648155867.

It is not a de Polignac number, because 7685518463 - 2¹⁴ = 7685502079 is a prime.

It is a super-2 number, since 2×7685518463² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7685518483) 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, 4609556 + ... + 4611222.

It is an arithmetic number, because the mean of its divisors is an integer number (550653504).

Almost surely, 2^7685518463 is an apocalyptic number.

7685518463 is a deficient number, since it is larger than the sum of its proper divisors (1124937601).

7685518463 is a wasteful number, since it uses less digits than its factorization.

7685518463 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3302.

The product of its digits is 4838400, while the sum is 53.

The square root of 7685518463 is about 87667.0888247123. The cubic root of 7685518463 is about 1973.4421053544.

The spelling of 7685518463 in words is "seven billion, six hundred eighty-five million, five hundred eighteen thousand, four hundred sixty-three".