342047077 has 2 divisors, whose sum is σ = 342047078. Its totient is φ = 342047076.

The previous prime is 342047071. The next prime is 342047081. The reversal of 342047077 is 770740243.

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., 310675876 + 31371201 = 17626^2 + 5601^2 .

It is a cyclic number.

It is not a de Polignac number, because 342047077 - 2¹⁹ = 341522789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342047071) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171023538 + 171023539.

It is an arithmetic number, because the mean of its divisors is an integer number (171023539).

Almost surely, 2^342047077 is an apocalyptic number.

It is an amenable number.

342047077 is a deficient number, since it is larger than the sum of its proper divisors (1).

342047077 is an equidigital number, since it uses as much as digits as its factorization.

342047077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 32928, while the sum is 34.

The square root of 342047077 is about 18494.5147814156. The cubic root of 342047077 is about 699.3511518128.

The spelling of 342047077 in words is "three hundred forty-two million, forty-seven thousand, seventy-seven".