854315430077 has 2 divisors, whose sum is σ = 854315430078. Its totient is φ = 854315430076.

The previous prime is 854315430071. The next prime is 854315430079. The reversal of 854315430077 is 770034513458.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 817841687716 + 36473742361 = 904346^2 + 190981^2 .

It is a cyclic number.

It is not a de Polignac number, because 854315430077 - 2¹² = 854315425981 is a prime.

Together with 854315430079, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (854315430071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 427157715038 + 427157715039.

It is an arithmetic number, because the mean of its divisors is an integer number (427157715039).

Almost surely, 2^854315430077 is an apocalyptic number.

It is an amenable number.

854315430077 is a deficient number, since it is larger than the sum of its proper divisors (1).

854315430077 is an equidigital number, since it uses as much as digits as its factorization.

854315430077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1411200, while the sum is 47.

The spelling of 854315430077 in words is "eight hundred fifty-four billion, three hundred fifteen million, four hundred thirty thousand, seventy-seven".