2758955878 has 12 divisors (see below), whose sum is σ = 4814096652. Its totient is φ = 1182409620.

The previous prime is 2758955873. The next prime is 2758955917. The reversal of 2758955878 is 8785598572.

It is a super-2 number, since 2×2758955878² = 15223675073501501768, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2758955873) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14076208 + ... + 14076403.

It is an arithmetic number, because the mean of its divisors is an integer number (401174721).

Almost surely, 2^2758955878 is an apocalyptic number.

2758955878 is a deficient number, since it is larger than the sum of its proper divisors (2055140774).

2758955878 is a wasteful number, since it uses less digits than its factorization.

2758955878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28152627 (or 28152620 counting only the distinct ones).

The product of its digits is 56448000, while the sum is 64.

The square root of 2758955878 is about 52525.7639449442. The cubic root of 2758955878 is about 1402.5389095535.

The spelling of 2758955878 in words is "two billion, seven hundred fifty-eight million, nine hundred fifty-five thousand, eight hundred seventy-eight".