64078760000 has 70 divisors (see below), whose sum is σ = 158894598390. Its totient is φ = 25631488000.

The previous prime is 64078759993. The next prime is 64078760017. The reversal of 64078760000 is 6787046.

It can be written as a sum of positive squares in 5 ways, for example, as 17695384576 + 46383375424 = 133024^2 + 215368^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 760985 + ... + 840984.

Almost surely, 2^64078760000 is an apocalyptic number.

It is an amenable number.

64078760000 is an abundant number, since it is smaller than the sum of its proper divisors (94815838390).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

64078760000 is an equidigital number, since it uses as much as digits as its factorization.

64078760000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1602001 (or 1601976 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The spelling of 64078760000 in words is "sixty-four billion, seventy-eight million, seven hundred sixty thousand".