57878757780433 has 2 divisors, whose sum is σ = 57878757780434. Its totient is φ = 57878757780432.

The previous prime is 57878757780413. The next prime is 57878757780491. The reversal of 57878757780433 is 33408775787875.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 46470630061969 + 11408127718464 = 6816937^2 + 3377592^2 .

It is a cyclic number.

It is not a de Polignac number, because 57878757780433 - 2⁵ = 57878757780401 is a prime.

It is not a weakly prime, because it can be changed into another prime (57878757780413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28939378890216 + 28939378890217.

It is an arithmetic number, because the mean of its divisors is an integer number (28939378890217).

Almost surely, 2^{57878757780433} is an apocalyptic number.

It is an amenable number.

57878757780433 is a deficient number, since it is larger than the sum of its proper divisors (1).

57878757780433 is an equidigital number, since it uses as much as digits as its factorization.

57878757780433 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7744665600, while the sum is 79.

The spelling of 57878757780433 in words is "fifty-seven trillion, eight hundred seventy-eight billion, seven hundred fifty-seven million, seven hundred eighty thousand, four hundred thirty-three".