340272777 has 8 divisors (see below), whose sum is σ = 488596864. Its totient is φ = 209398608.

The previous prime is 340272763. The next prime is 340272797. The reversal of 340272777 is 777272043.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 340272777 - 2⁸ = 340272521 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (39), and also a Moran number because the ratio is a prime number: 8724943 = 340272777 / (3 + 4 + 0 + 2 + 7 + 2 + 7 + 7 + 7).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (340272727) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4362433 + ... + 4362510.

It is an arithmetic number, because the mean of its divisors is an integer number (61074608).

Almost surely, 2^340272777 is an apocalyptic number.

It is an amenable number.

340272777 is a deficient number, since it is larger than the sum of its proper divisors (148324087).

340272777 is a wasteful number, since it uses less digits than its factorization.

340272777 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8724959.

The product of its (nonzero) digits is 115248, while the sum is 39.

The square root of 340272777 is about 18446.4841365502. The cubic root of 340272777 is about 698.1398073276.

The spelling of 340272777 in words is "three hundred forty million, two hundred seventy-two thousand, seven hundred seventy-seven".