2667607898 has 4 divisors (see below), whose sum is σ = 4001411850. Its totient is φ = 1333803948.

The previous prime is 2667607861. The next prime is 2667607933. The reversal of 2667607898 is 8987067662.

2667607898 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8987067662 = 2 ⋅4493533831.

It can be written as a sum of positive squares in only one way, i.e., 2587451689 + 80156209 = 50867^2 + 8953^2 .

It is a super-2 number, since 2×2667607898² = 14232263794943956808, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 666901973 + ... + 666901976.

Almost surely, 2^2667607898 is an apocalyptic number.

2667607898 is a deficient number, since it is larger than the sum of its proper divisors (1333803952).

2667607898 is a wasteful number, since it uses less digits than its factorization.

2667607898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1333803951.

The product of its (nonzero) digits is 12192768, while the sum is 59.

The square root of 2667607898 is about 51648.8905785981. The cubic root of 2667607898 is about 1386.8856828486.

The spelling of 2667607898 in words is "two billion, six hundred sixty-seven million, six hundred seven thousand, eight hundred ninety-eight".