2062781686 has 8 divisors (see below), whose sum is σ = 3536197200. Its totient is φ = 884049288.

The previous prime is 2062781671. The next prime is 2062781689. The reversal of 2062781686 is 6861872602.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2062781689) 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, 73670761 + ... + 73670788.

It is an arithmetic number, because the mean of its divisors is an integer number (442024650).

Almost surely, 2^2062781686 is an apocalyptic number.

2062781686 is a deficient number, since it is larger than the sum of its proper divisors (1473415514).

2062781686 is a wasteful number, since it uses less digits than its factorization.

2062781686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147341558.

The product of its (nonzero) digits is 387072, while the sum is 46.

The square root of 2062781686 is about 45417.8564663723. The cubic root of 2062781686 is about 1272.9687890559.

The spelling of 2062781686 in words is "two billion, sixty-two million, seven hundred eighty-one thousand, six hundred eighty-six".