345377077 has 2 divisors, whose sum is σ = 345377078. Its totient is φ = 345377076.

The previous prime is 345377063. The next prime is 345377119. The reversal of 345377077 is 770773543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 284630641 + 60746436 = 16871^2 + 7794^2 .

It is a cyclic number.

It is not a de Polignac number, because 345377077 - 2⁷ = 345376949 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (345377017) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172688538 + 172688539.

It is an arithmetic number, because the mean of its divisors is an integer number (172688539).

Almost surely, 2^345377077 is an apocalyptic number.

It is an amenable number.

345377077 is a deficient number, since it is larger than the sum of its proper divisors (1).

345377077 is an equidigital number, since it uses as much as digits as its factorization.

345377077 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432180, while the sum is 43.

The square root of 345377077 is about 18584.3234205607. The cubic root of 345377077 is about 701.6133379565.

It can be divided in two parts, 34537 and 7077, that added together give a palindrome (41614).

The spelling of 345377077 in words is "three hundred forty-five million, three hundred seventy-seven thousand, seventy-seven".