2077640808 has 16 divisors (see below), whose sum is σ = 5194102080. Its totient is φ = 692546928.

The previous prime is 2077640797. The next prime is 2077640827. The reversal of 2077640808 is 8080467702.

It is a self number, because there is not a number n which added to its sum of digits gives 2077640808.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 43284160 + ... + 43284207.

It is an arithmetic number, because the mean of its divisors is an integer number (324631380).

Almost surely, 2^2077640808 is an apocalyptic number.

It is an amenable number.

2077640808 is an abundant number, since it is smaller than the sum of its proper divisors (3116461272).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2077640808 is a wasteful number, since it uses less digits than its factorization.

2077640808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86568376 (or 86568372 counting only the distinct ones).

The product of its (nonzero) digits is 150528, while the sum is 42.

The square root of 2077640808 is about 45581.1453125083. The cubic root of 2077640808 is about 1276.0180633115.

The spelling of 2077640808 in words is "two billion, seventy-seven million, six hundred forty thousand, eight hundred eight".