76534765012225 has 27 divisors (see below), whose sum is σ = 102765668135529. Its totient is φ = 56517560392800.

The previous prime is 76534765012169. The next prime is 76534765012243. The reversal of 76534765012225 is 52221056743567.

The square root of 76534765012225 is 8748415.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 19726948899009 + 56807816113216 = 4441503^2 + 7537096^2 .

It is not a de Polignac number, because 76534765012225 - 2¹¹ = 76534765010177 is a prime.

It is a super-3 number, since 3×76534765012225³ (a number of 43 digits) contains 333 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 568579680 + ... + 568714270.

Almost surely, 2^{76534765012225} is an apocalyptic number.

76534765012225 is the 8748415-th square number.

76534765012225 is the 4374208-th centered octagonal number.

It is an amenable number.

76534765012225 is a deficient number, since it is larger than the sum of its proper divisors (26230903123304).

76534765012225 is an frugal number, since it uses more digits than its factorization.

76534765012225 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269218 (or 134609 counting only the distinct ones).

The product of its (nonzero) digits is 21168000, while the sum is 55.

The spelling of 76534765012225 in words is "seventy-six trillion, five hundred thirty-four billion, seven hundred sixty-five million, twelve thousand, two hundred twenty-five".