2076781652 has 12 divisors (see below), whose sum is σ = 3964765056. Its totient is φ = 943991640.

The previous prime is 2076781639. The next prime is 2076781691. The reversal of 2076781652 is 2561876702.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 47199583 = 2076781652 / (2 + 0 + 7 + 6 + 7 + 8 + 1 + 6 + 5 + 2).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23599748 + ... + 23599835.

It is an arithmetic number, because the mean of its divisors is an integer number (330397088).

Almost surely, 2^2076781652 is an apocalyptic number.

2076781652 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

2076781652 is a deficient number, since it is larger than the sum of its proper divisors (1887983404).

2076781652 is a wasteful number, since it uses less digits than its factorization.

2076781652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47199598 (or 47199596 counting only the distinct ones).

The product of its (nonzero) digits is 282240, while the sum is 44.

The square root of 2076781652 is about 45571.7198709902. The cubic root of 2076781652 is about 1275.8421506897.

The spelling of 2076781652 in words is "two billion, seventy-six million, seven hundred eighty-one thousand, six hundred fifty-two".