340081877 has 4 divisors (see below), whose sum is σ = 341242860. Its totient is φ = 338920896.

The previous prime is 340081849. The next prime is 340081879. The reversal of 340081877 is 778180043.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 778180043 = 4657 ⋅167099.

It can be written as a sum of positive squares in 2 ways, for example, as 139972561 + 200109316 = 11831^2 + 14146^2 .

It is a cyclic number.

It is not a de Polignac number, because 340081877 - 2¹⁴ = 340065493 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 340081877.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (340081879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 580052 + ... + 580637.

It is an arithmetic number, because the mean of its divisors is an integer number (85310715).

Almost surely, 2^340081877 is an apocalyptic number.

It is an amenable number.

340081877 is a deficient number, since it is larger than the sum of its proper divisors (1160983).

340081877 is a wasteful number, since it uses less digits than its factorization.

340081877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1160982.

The product of its (nonzero) digits is 37632, while the sum is 38.

The square root of 340081877 is about 18441.3089828244. The cubic root of 340081877 is about 698.0092259928.

The spelling of 340081877 in words is "three hundred forty million, eighty-one thousand, eight hundred seventy-seven".