77872530273265 has 64 divisors (see below), whose sum is σ = 118597150006272. Its totient is φ = 47770062336000.

The previous prime is 77872530273257. The next prime is 77872530273299. The reversal of 77872530273265 is 56237203527877.

It is a happy number.

It is not a de Polignac number, because 77872530273265 - 2³ = 77872530273257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 77872530273197 and 77872530273206.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 11005452 + ... + 16639261.

It is an arithmetic number, because the mean of its divisors is an integer number (1853080468848).

Almost surely, 2^{77872530273265} is an apocalyptic number.

It is an amenable number.

77872530273265 is a deficient number, since it is larger than the sum of its proper divisors (40724619733007).

77872530273265 is a wasteful number, since it uses less digits than its factorization.

77872530273265 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27644930.

The product of its (nonzero) digits is 207446400, while the sum is 64.

The spelling of 77872530273265 in words is "seventy-seven trillion, eight hundred seventy-two billion, five hundred thirty million, two hundred seventy-three thousand, two hundred sixty-five".