1357396578827 has 4 divisors (see below), whose sum is σ = 1365242802000. Its totient is φ = 1349550355656.

The previous prime is 1357396578823. The next prime is 1357396578829. The reversal of 1357396578827 is 7288756937531.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1357396578827 - 2² = 1357396578823 is a prime.

It is a super-2 number, since 2×1357396578827² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1357396578823) 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, 3923111327 + ... + 3923111672.

It is an arithmetic number, because the mean of its divisors is an integer number (341310700500).

Almost surely, 2^{1357396578827} is an apocalyptic number.

1357396578827 is a deficient number, since it is larger than the sum of its proper divisors (7846223173).

1357396578827 is an equidigital number, since it uses as much as digits as its factorization.

1357396578827 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7846223172.

The product of its digits is 533433600, while the sum is 71.

The spelling of 1357396578827 in words is "one trillion, three hundred fifty-seven billion, three hundred ninety-six million, five hundred seventy-eight thousand, eight hundred twenty-seven".