679000523512 has 8 divisors (see below), whose sum is σ = 1273125981600. Its totient is φ = 339500261752.

The previous prime is 679000523497. The next prime is 679000523519. The reversal of 679000523512 is 215325000976.

It is a tau number, because it is divible by the number of its divisors (8).

It is a super-2 number, since 2×679000523512² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (679000523519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42437532712 + ... + 42437532727.

It is an arithmetic number, because the mean of its divisors is an integer number (159140747700).

Almost surely, 2^679000523512 is an apocalyptic number.

It is an amenable number.

679000523512 is a deficient number, since it is larger than the sum of its proper divisors (594125458088).

679000523512 is a wasteful number, since it uses less digits than its factorization.

679000523512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84875065445 (or 84875065441 counting only the distinct ones).

The product of its (nonzero) digits is 113400, while the sum is 40.

The spelling of 679000523512 in words is "six hundred seventy-nine billion, five hundred twenty-three thousand, five hundred twelve".