2720775399 has 8 divisors (see below), whose sum is σ = 3633310080. Its totient is φ = 1811045496.

The previous prime is 2720775397. The next prime is 2720775401. The reversal of 2720775399 is 9935770272.

It is an interprime number because it is at equal distance from previous prime (2720775397) and next prime (2720775401).

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

It is not a de Polignac number, because 2720775399 - 2¹ = 2720775397 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2720775397) 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, 698929 + ... + 702810.

It is an arithmetic number, because the mean of its divisors is an integer number (454163760).

Almost surely, 2^2720775399 is an apocalyptic number.

2720775399 is a deficient number, since it is larger than the sum of its proper divisors (912534681).

2720775399 is a wasteful number, since it uses less digits than its factorization.

2720775399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402389.

The product of its (nonzero) digits is 1666980, while the sum is 51.

The square root of 2720775399 is about 52161.0525104699. The cubic root of 2720775399 is about 1396.0390419305.

The spelling of 2720775399 in words is "two billion, seven hundred twenty million, seven hundred seventy-five thousand, three hundred ninety-nine".