2782073397 has 8 divisors (see below), whose sum is σ = 3788355456. Its totient is φ = 1815253472.

The previous prime is 2782073389. The next prime is 2782073407. The reversal of 2782073397 is 7933702872.

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

It is a cyclic number.

It is not a de Polignac number, because 2782073397 - 2³ = 2782073389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782073387) 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, 9865368 + ... + 9865649.

It is an arithmetic number, because the mean of its divisors is an integer number (473544432).

Almost surely, 2^2782073397 is an apocalyptic number.

It is an amenable number.

2782073397 is a deficient number, since it is larger than the sum of its proper divisors (1006282059).

2782073397 is a wasteful number, since it uses less digits than its factorization.

2782073397 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19731067.

The product of its (nonzero) digits is 889056, while the sum is 48.

The square root of 2782073397 is about 52745.3637488642. The cubic root of 2782073397 is about 1406.4453487513.

The spelling of 2782073397 in words is "two billion, seven hundred eighty-two million, seventy-three thousand, three hundred ninety-seven".