2039685977 has 8 divisors (see below), whose sum is σ = 2432420736. Its totient is φ = 1672288992.

The previous prime is 2039685937. The next prime is 2039685979. The reversal of 2039685977 is 7795869302.

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 2039685977 - 2¹⁸ = 2039423833 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2039685979) 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, 6334268 + ... + 6334589.

It is an arithmetic number, because the mean of its divisors is an integer number (304052592).

Almost surely, 2^2039685977 is an apocalyptic number.

It is an amenable number.

2039685977 is a deficient number, since it is larger than the sum of its proper divisors (392734759).

2039685977 is a wasteful number, since it uses less digits than its factorization.

2039685977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12668887.

The product of its (nonzero) digits is 5715360, while the sum is 56.

The square root of 2039685977 is about 45162.8827357156. The cubic root of 2039685977 is about 1268.2000618513.

The spelling of 2039685977 in words is "two billion, thirty-nine million, six hundred eighty-five thousand, nine hundred seventy-seven".