2078783877 has 8 divisors (see below), whose sum is σ = 2772958720. Its totient is φ = 1385232480.

The previous prime is 2078783869. The next prime is 2078783897. The reversal of 2078783877 is 7783878702.

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

It is not a de Polignac number, because 2078783877 - 2³ = 2078783869 is a prime.

It is a super-2 number, since 2×2078783877² = 8642684814550302258, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2078783867) 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, 148024 + ... + 161457.

It is an arithmetic number, because the mean of its divisors is an integer number (346619840).

Almost surely, 2^2078783877 is an apocalyptic number.

It is an amenable number.

2078783877 is a deficient number, since it is larger than the sum of its proper divisors (694174843).

2078783877 is a wasteful number, since it uses less digits than its factorization.

2078783877 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 311723.

The product of its (nonzero) digits is 7375872, while the sum is 57.

The square root of 2078783877 is about 45593.6824242131. The cubic root of 2078783877 is about 1276.2520320958.

The spelling of 2078783877 in words is "two billion, seventy-eight million, seven hundred eighty-three thousand, eight hundred seventy-seven".