77466446002513 has 4 divisors (see below), whose sum is σ = 78190431479280. Its totient is φ = 76742460525748.

The previous prime is 77466446002493. The next prime is 77466446002553. The reversal of 77466446002513 is 31520064466477.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 77466446002513 - 2¹³ = 77466445994321 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (77466446002553) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 361992738223 + ... + 361992738436.

It is an arithmetic number, because the mean of its divisors is an integer number (19547607869820).

Almost surely, 2^{77466446002513} is an apocalyptic number.

It is an amenable number.

77466446002513 is a deficient number, since it is larger than the sum of its proper divisors (723985476767).

77466446002513 is a wasteful number, since it uses less digits than its factorization.

77466446002513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 723985476766.

The product of its (nonzero) digits is 20321280, while the sum is 55.

The spelling of 77466446002513 in words is "seventy-seven trillion, four hundred sixty-six billion, four hundred forty-six million, two thousand, five hundred thirteen".