670713766515 has 48 divisors (see below), whose sum is σ = 1285836883968. Its totient is φ = 321273278208.

The previous prime is 670713766501. The next prime is 670713766529. The reversal of 670713766515 is 515667317076.

670713766515 is a `hidden beast` number, since 67 + 0 + 7 + 1 + 3 + 7 + 66 + 515 = 666.

It is an interprime number because it is at equal distance from previous prime (670713766501) and next prime (670713766529).

It is not a de Polignac number, because 670713766515 - 2¹² = 670713762419 is a prime.

It is a super-3 number, since 3×670713766515³ (a number of 36 digits) contains 333 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 15471859 + ... + 15515148.

It is an arithmetic number, because the mean of its divisors is an integer number (26788268416).

Almost surely, 2^670713766515 is an apocalyptic number.

670713766515 is a gapful number since it is divisible by the number (65) formed by its first and last digit.

670713766515 is a deficient number, since it is larger than the sum of its proper divisors (615123117453).

670713766515 is a wasteful number, since it uses less digits than its factorization.

670713766515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30987068 (or 30987065 counting only the distinct ones).

The product of its (nonzero) digits is 5556600, while the sum is 54.

The spelling of 670713766515 in words is "six hundred seventy billion, seven hundred thirteen million, seven hundred sixty-six thousand, five hundred fifteen".