2078555800 has 24 divisors (see below), whose sum is σ = 4832642700. Its totient is φ = 831422240.

The previous prime is 2078555783. The next prime is 2078555819. The reversal of 2078555800 is 85558702.

It is a super-3 number, since 3×2078555800³ (a number of 29 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5196190 + ... + 5196589.

Almost surely, 2^2078555800 is an apocalyptic number.

2078555800 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2078555800 is an abundant number, since it is smaller than the sum of its proper divisors (2754086900).

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

2078555800 is a wasteful number, since it uses less digits than its factorization.

2078555800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10392795 (or 10392786 counting only the distinct ones).

The product of its (nonzero) digits is 112000, while the sum is 40.

The square root of 2078555800 is about 45591.1811647823. The cubic root of 2078555800 is about 1276.2053550644.

The spelling of 2078555800 in words is "two billion, seventy-eight million, five hundred fifty-five thousand, eight hundred".