7880252964385 has 8 divisors (see below), whose sum is σ = 9585841962600. Its totient is φ = 6217843434624.

The previous prime is 7880252964347. The next prime is 7880252964407. The reversal of 7880252964385 is 5834692520887.

It can be written as a sum of positive squares in 4 ways, for example, as 5679732496 + 7874573231889 = 75364^2 + 2806167^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 7880252964385 - 2¹⁹ = 7880252440097 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 7880252964385.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10794866710 + ... + 10794867439.

It is an arithmetic number, because the mean of its divisors is an integer number (1198230245325).

Almost surely, 2^{7880252964385} is an apocalyptic number.

It is an amenable number.

7880252964385 is a deficient number, since it is larger than the sum of its proper divisors (1705588998215).

7880252964385 is a wasteful number, since it uses less digits than its factorization.

7880252964385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21589734227.

The product of its (nonzero) digits is 232243200, while the sum is 67.

The spelling of 7880252964385 in words is "seven trillion, eight hundred eighty billion, two hundred fifty-two million, nine hundred sixty-four thousand, three hundred eighty-five".