6770420155 has 8 divisors (see below), whose sum is σ = 8165746512. Its totient is φ = 5388841248.

The previous prime is 6770420123. The next prime is 6770420177. The reversal of 6770420155 is 5510240776.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6770420155 - 2⁵ = 6770420123 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3435777 + ... + 3437746.

It is an arithmetic number, because the mean of its divisors is an integer number (1020718314).

Almost surely, 2^6770420155 is an apocalyptic number.

6770420155 is a deficient number, since it is larger than the sum of its proper divisors (1395326357).

6770420155 is a wasteful number, since it uses less digits than its factorization.

6770420155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6873725.

The product of its (nonzero) digits is 58800, while the sum is 37.

The square root of 6770420155 is about 82282.5628854619. The cubic root of 6770420155 is about 1891.7854180035.

The spelling of 6770420155 in words is "six billion, seven hundred seventy million, four hundred twenty thousand, one hundred fifty-five".