270909998778 has 16 divisors (see below), whose sum is σ = 541829223936. Its totient is φ = 90301795200.

The previous prime is 270909998773. The next prime is 270909998803. The reversal of 270909998778 is 877899909072.

It is a super-2 number, since 2×270909998778² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (270909998773) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 31978 + ... + 736778.

It is an arithmetic number, because the mean of its divisors is an integer number (33864326496).

Almost surely, 2^270909998778 is an apocalyptic number.

270909998778 is an abundant number, since it is smaller than the sum of its proper divisors (270919225158).

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

270909998778 is a wasteful number, since it uses less digits than its factorization.

270909998778 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768869.

The product of its (nonzero) digits is 288054144, while the sum is 75.

The spelling of 270909998778 in words is "two hundred seventy billion, nine hundred nine million, nine hundred ninety-eight thousand, seven hundred seventy-eight".