685000007534 has 8 divisors (see below), whose sum is σ = 1032879593088. Its totient is φ = 340706809840.

The previous prime is 685000007501. The next prime is 685000007567. The reversal of 685000007534 is 435700000586.

It is an interprime number because it is at equal distance from previous prime (685000007501) and next prime (685000007567).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×685000007534² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 896596487 + ... + 896597250.

It is an arithmetic number, because the mean of its divisors is an integer number (129109949136).

Almost surely, 2^685000007534 is an apocalyptic number.

685000007534 is a deficient number, since it is larger than the sum of its proper divisors (347879585554).

685000007534 is a wasteful number, since it uses less digits than its factorization.

685000007534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1793193930.

The product of its (nonzero) digits is 100800, while the sum is 38.

The spelling of 685000007534 in words is "six hundred eighty-five billion, seven thousand, five hundred thirty-four".