2077312658 has 4 divisors (see below), whose sum is σ = 3115968990. Its totient is φ = 1038656328.

The previous prime is 2077312649. The next prime is 2077312661. The reversal of 2077312658 is 8562137702.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2077262929 + 49729 = 45577^2 + 223^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519328163 + ... + 519328166.

Almost surely, 2^2077312658 is an apocalyptic number.

2077312658 is a deficient number, since it is larger than the sum of its proper divisors (1038656332).

2077312658 is a wasteful number, since it uses less digits than its factorization.

2077312658 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1038656331.

The product of its (nonzero) digits is 141120, while the sum is 41.

The square root of 2077312658 is about 45577.5455460252. The cubic root of 2077312658 is about 1275.9508801596.

The spelling of 2077312658 in words is "two billion, seventy-seven million, three hundred twelve thousand, six hundred fifty-eight".