6890670955 has 16 divisors (see below), whose sum is σ = 9456168960. Its totient is φ = 4721978592.

The previous prime is 6890670931. The next prime is 6890670971. The reversal of 6890670955 is 5590760986.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 6890670955 - 2⁹ = 6890670443 is a prime.

It is a super-2 number, since 2×6890670955² = 94962692420161224050, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 6890670896 and 6890670905.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7975 + ... + 117664.

It is an arithmetic number, because the mean of its divisors is an integer number (591010560).

Almost surely, 2^6890670955 is an apocalyptic number.

6890670955 is a deficient number, since it is larger than the sum of its proper divisors (2565498005).

6890670955 is a wasteful number, since it uses less digits than its factorization.

6890670955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 127218.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The square root of 6890670955 is about 83010.0653836630. The cubic root of 6890670955 is about 1902.9198830580.

The spelling of 6890670955 in words is "six billion, eight hundred ninety million, six hundred seventy thousand, nine hundred fifty-five".