2672377658 has 4 divisors (see below), whose sum is σ = 4008566490. Its totient is φ = 1336188828.

The previous prime is 2672377621. The next prime is 2672377681. The reversal of 2672377658 is 8567732762.

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., 2290292449 + 382085209 = 47857^2 + 19547^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 668094413 + ... + 668094416.

Almost surely, 2^2672377658 is an apocalyptic number.

2672377658 is a deficient number, since it is larger than the sum of its proper divisors (1336188832).

2672377658 is a wasteful number, since it uses less digits than its factorization.

2672377658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1336188831.

The product of its digits is 5927040, while the sum is 53.

The square root of 2672377658 is about 51695.0448108907. The cubic root of 2672377658 is about 1387.7117879021.

The spelling of 2672377658 in words is "two billion, six hundred seventy-two million, three hundred seventy-seven thousand, six hundred fifty-eight".