679952212615 has 8 divisors (see below), whose sum is σ = 878707474848. Its totient is φ = 502118556960.

The previous prime is 679952212567. The next prime is 679952212637. The reversal of 679952212615 is 516212259976.

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

It is not a de Polignac number, because 679952212615 - 2⁹ = 679952212103 is a prime.

It is a super-2 number, since 2×679952212615² (a number of 24 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 7 ways as a sum of consecutive naturals, for example, 5230401571 + ... + 5230401700.

It is an arithmetic number, because the mean of its divisors is an integer number (109838434356).

Almost surely, 2^679952212615 is an apocalyptic number.

679952212615 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

679952212615 is a deficient number, since it is larger than the sum of its proper divisors (198755262233).

679952212615 is a wasteful number, since it uses less digits than its factorization.

679952212615 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10460803289.

The product of its digits is 4082400, while the sum is 55.

The spelling of 679952212615 in words is "six hundred seventy-nine billion, nine hundred fifty-two million, two hundred twelve thousand, six hundred fifteen".