270778661760 has 64 divisors (see below), whose sum is σ = 863106990480. Its totient is φ = 72207642624.

The previous prime is 270778661743. The next prime is 270778661761. The reversal of 270778661760 is 67166877072.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 270778661760.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (270778661761) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70513357 + ... + 70517196.

Almost surely, 2^270778661760 is an apocalyptic number.

270778661760 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

270778661760 is an abundant number, since it is smaller than the sum of its proper divisors (592328328720).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

270778661760 is a wasteful number, since it uses less digits than its factorization.

270778661760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141030575 (or 141030563 counting only the distinct ones).

The product of its (nonzero) digits is 8297856, while the sum is 57.

The spelling of 270778661760 in words is "two hundred seventy billion, seven hundred seventy-eight million, six hundred sixty-one thousand, seven hundred sixty".