770240255 has 8 divisors (see below), whose sum is σ = 941728032. Its totient is φ = 604565728.

The previous prime is 770240213. The next prime is 770240269. The reversal of 770240255 is 552042077.

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 770240255 - 2¹⁶ = 770174719 is a prime.

It is a Duffinian number.

It is a congruent 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, 1453019 + ... + 1453548.

It is an arithmetic number, because the mean of its divisors is an integer number (117716004).

Almost surely, 2^770240255 is an apocalyptic number.

770240255 is a deficient number, since it is larger than the sum of its proper divisors (171487777).

770240255 is a wasteful number, since it uses less digits than its factorization.

770240255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2906625.

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 770240255 is about 27753.2026079874. The cubic root of 770240255 is about 916.6609642988.

The spelling of 770240255 in words is "seven hundred seventy million, two hundred forty thousand, two hundred fifty-five".