2078955765 has 12 divisors (see below), whose sum is σ = 3603523404. Its totient is φ = 1108776384.

The previous prime is 2078955743. The next prime is 2078955773. The reversal of 2078955765 is 5675598702.

2078955765 is a `hidden beast` number, since 2 + 0 + 7 + 89 + 557 + 6 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 330294276 + 1748661489 = 18174^2 + 41817^2 .

It is not a de Polignac number, because 2078955765 - 2⁵ = 2078955733 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 23099464 + ... + 23099553.

It is an arithmetic number, because the mean of its divisors is an integer number (300293617).

Almost surely, 2^2078955765 is an apocalyptic number.

It is an amenable number.

2078955765 is a deficient number, since it is larger than the sum of its proper divisors (1524567639).

2078955765 is a wasteful number, since it uses less digits than its factorization.

2078955765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46199028 (or 46199025 counting only the distinct ones).

The product of its (nonzero) digits is 5292000, while the sum is 54.

The square root of 2078955765 is about 45595.5673832446. The cubic root of 2078955765 is about 1276.2872075279.

The spelling of 2078955765 in words is "two billion, seventy-eight million, nine hundred fifty-five thousand, seven hundred sixty-five".