770055755 has 32 divisors (see below), whose sum is σ = 1125494784. Its totient is φ = 494309376.

The previous prime is 770055721. The next prime is 770055791. The reversal of 770055755 is 557550077.

It is not a de Polignac number, because 770055755 - 2¹⁴ = 770039371 is a prime.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 27659 + ... + 48011.

It is an arithmetic number, because the mean of its divisors is an integer number (35171712).

Almost surely, 2^770055755 is an apocalyptic number.

770055755 is a deficient number, since it is larger than the sum of its proper divisors (355439029).

770055755 is a wasteful number, since it uses less digits than its factorization.

770055755 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20435.

The product of its (nonzero) digits is 214375, while the sum is 41.

The square root of 770055755 is about 27749.8784682023. The cubic root of 770055755 is about 916.5877674608.

The spelling of 770055755 in words is "seven hundred seventy million, fifty-five thousand, seven hundred fifty-five".