1577557004383 has 2 divisors, whose sum is σ = 1577557004384. Its totient is φ = 1577557004382.

The previous prime is 1577557004347. The next prime is 1577557004449. The reversal of 1577557004383 is 3834007557751.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1577557004383 is a prime.

It is a super-2 number, since 2×1577557004383² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1577557304383) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 788778502191 + 788778502192.

It is an arithmetic number, because the mean of its divisors is an integer number (788778502192).

Almost surely, 2^{1577557004383} is an apocalyptic number.

1577557004383 is a deficient number, since it is larger than the sum of its proper divisors (1).

1577557004383 is an equidigital number, since it uses as much as digits as its factorization.

1577557004383 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12348000, while the sum is 55.

The spelling of 1577557004383 in words is "one trillion, five hundred seventy-seven billion, five hundred fifty-seven million, four thousand, three hundred eighty-three".