857420012467 has 2 divisors, whose sum is σ = 857420012468. Its totient is φ = 857420012466.

The previous prime is 857420012461. The next prime is 857420012543. The reversal of 857420012467 is 764210024758.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 857420012467 - 2³ = 857420012459 is a prime.

It is not a weakly prime, because it can be changed into another prime (857420012461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 428710006233 + 428710006234.

It is an arithmetic number, because the mean of its divisors is an integer number (428710006234).

Almost surely, 2^857420012467 is an apocalyptic number.

857420012467 is a deficient number, since it is larger than the sum of its proper divisors (1).

857420012467 is an equidigital number, since it uses as much as digits as its factorization.

857420012467 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 752640, while the sum is 46.

The spelling of 857420012467 in words is "eight hundred fifty-seven billion, four hundred twenty million, twelve thousand, four hundred sixty-seven".