77412753273493 has 16 divisors (see below), whose sum is σ = 94124146962240. Its totient is φ = 62749431302400.

The previous prime is 77412753273451. The next prime is 77412753273547. The reversal of 77412753273493 is 39437235721477.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-77412753273493 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (77412753277493) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10893994938 + ... + 10894002043.

It is an arithmetic number, because the mean of its divisors is an integer number (5882759185140).

Almost surely, 2^{77412753273493} is an apocalyptic number.

It is an amenable number.

77412753273493 is a deficient number, since it is larger than the sum of its proper divisors (16711393688747).

77412753273493 is a wasteful number, since it uses less digits than its factorization.

77412753273493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21787997028.

The product of its digits is 186701760, while the sum is 64.

The spelling of 77412753273493 in words is "seventy-seven trillion, four hundred twelve billion, seven hundred fifty-three million, two hundred seventy-three thousand, four hundred ninety-three".