2685946977 has 48 divisors (see below), whose sum is σ = 4712722560. Its totient is φ = 1439018496.

The previous prime is 2685946961. The next prime is 2685946993. The reversal of 2685946977 is 7796495862.

2685946977 is a `hidden beast` number, since 26 + 85 + 9 + 469 + 77 = 666.

It is an interprime number because it is at equal distance from previous prime (2685946961) and next prime (2685946993).

It is not a de Polignac number, because 2685946977 - 2⁴ = 2685946961 is a prime.

It is a super-2 number, since 2×2685946977² = 14428622326510877058, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (2685942977) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 283438 + ... + 292760.

It is an arithmetic number, because the mean of its divisors is an integer number (98181720).

Almost surely, 2^2685946977 is an apocalyptic number.

It is an amenable number.

2685946977 is a deficient number, since it is larger than the sum of its proper divisors (2026775583).

2685946977 is a wasteful number, since it uses less digits than its factorization.

2685946977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9622 (or 9619 counting only the distinct ones).

The product of its digits is 45722880, while the sum is 63.

The square root of 2685946977 is about 51826.1225348762. The cubic root of 2685946977 is about 1390.0565815520.

The spelling of 2685946977 in words is "two billion, six hundred eighty-five million, nine hundred forty-six thousand, nine hundred seventy-seven".