77825200532465 has 8 divisors (see below), whose sum is σ = 93393613633320. Its totient is φ = 62257911763072.

The previous prime is 77825200532437. The next prime is 77825200532477. The reversal of 77825200532465 is 56423500252877.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 3368873031601 + 74456327500864 = 1835449^2 + 8628808^2 .

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 77825200532465 - 2¹⁴ = 77825200516081 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 77825200532465.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 280930574 + ... + 281207463.

It is an arithmetic number, because the mean of its divisors is an integer number (11674201704165).

Almost surely, 2^{77825200532465} is an apocalyptic number.

It is an amenable number.

77825200532465 is a deficient number, since it is larger than the sum of its proper divisors (15568413100855).

77825200532465 is a wasteful number, since it uses less digits than its factorization.

77825200532465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 562165731.

The product of its (nonzero) digits is 28224000, while the sum is 56.

The spelling of 77825200532465 in words is "seventy-seven trillion, eight hundred twenty-five billion, two hundred million, five hundred thirty-two thousand, four hundred sixty-five".