1213476764757 has 16 divisors (see below), whose sum is σ = 1620704388288. Its totient is φ = 807617157120.

The previous prime is 1213476764749. The next prime is 1213476764767. The reversal of 1213476764757 is 7574676743121.

It is not a de Polignac number, because 1213476764757 - 2³ = 1213476764749 is a prime.

It is a super-3 number, since 3×1213476764757³ (a number of 37 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 1213476764757.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1213476764767) 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, 16429803 + ... + 16503495.

It is an arithmetic number, because the mean of its divisors is an integer number (101294024268).

Almost surely, 2^{1213476764757} is an apocalyptic number.

It is an amenable number.

1213476764757 is a deficient number, since it is larger than the sum of its proper divisors (407227623531).

1213476764757 is an equidigital number, since it uses as much as digits as its factorization.

1213476764757 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 82900.

The product of its digits is 41489280, while the sum is 60.

The spelling of 1213476764757 in words is "one trillion, two hundred thirteen billion, four hundred seventy-six million, seven hundred sixty-four thousand, seven hundred fifty-seven".