2078375948765 has 16 divisors (see below), whose sum is σ = 2535003366960. Its totient is φ = 1635400696320.

The previous prime is 2078375948741. The next prime is 2078375948771. The reversal of 2078375948765 is 5678495738702.

It can be written as a sum of positive squares in 8 ways, for example, as 241448407876 + 1836927540889 = 491374^2 + 1355333^2 .

It is not a de Polignac number, because 2078375948765 - 2¹² = 2078375944669 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16987631 + ... + 17109539.

It is an arithmetic number, because the mean of its divisors is an integer number (158437710435).

Almost surely, 2^{2078375948765} is an apocalyptic number.

It is an amenable number.

2078375948765 is a deficient number, since it is larger than the sum of its proper divisors (456627418195).

2078375948765 is a wasteful number, since it uses less digits than its factorization.

2078375948765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 177872.

The product of its (nonzero) digits is 711244800, while the sum is 71.

The spelling of 2078375948765 in words is "two trillion, seventy-eight billion, three hundred seventy-five million, nine hundred forty-eight thousand, seven hundred sixty-five".