34770143477 has 2 divisors, whose sum is σ = 34770143478. Its totient is φ = 34770143476.

The previous prime is 34770143449. The next prime is 34770143483. The reversal of 34770143477 is 77434107743.

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., 32889273316 + 1880870161 = 181354^2 + 43369^2 .

It is a cyclic number.

It is not a de Polignac number, because 34770143477 - 2¹⁰ = 34770142453 is a prime.

It is a super-2 number, since 2×34770143477² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (34770143077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 17385071738 + 17385071739.

It is an arithmetic number, because the mean of its divisors is an integer number (17385071739).

Almost surely, 2^34770143477 is an apocalyptic number.

It is an amenable number.

34770143477 is a deficient number, since it is larger than the sum of its proper divisors (1).

34770143477 is an equidigital number, since it uses as much as digits as its factorization.

34770143477 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1382976, while the sum is 47.

The spelling of 34770143477 in words is "thirty-four billion, seven hundred seventy million, one hundred forty-three thousand, four hundred seventy-seven".