2670079978 has 8 divisors (see below), whose sum is σ = 4005891972. Its totient is φ = 1334782656.

The previous prime is 2670079957. The next prime is 2670079981. The reversal of 2670079978 is 8799700762.

It can be written as a sum of positive squares in 2 ways, for example, as 2625230169 + 44849809 = 51237^2 + 6697^2 .

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 115425 + ... + 136612.

Almost surely, 2^2670079978 is an apocalyptic number.

2670079978 is a deficient number, since it is larger than the sum of its proper divisors (1335811994).

2670079978 is a wasteful number, since it uses less digits than its factorization.

2670079978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257336.

The product of its (nonzero) digits is 2667168, while the sum is 55.

The square root of 2670079978 is about 51672.8166253786. The cubic root of 2670079978 is about 1387.3139609127.

The spelling of 2670079978 in words is "two billion, six hundred seventy million, seventy-nine thousand, nine hundred seventy-eight".