2071778326 has 4 divisors (see below), whose sum is σ = 3107667492. Its totient is φ = 1035889162.

The previous prime is 2071778311. The next prime is 2071778341. The reversal of 2071778326 is 6238771702.

It is a semiprime because it is the product of two primes.

It is an interprime number because it is at equal distance from previous prime (2071778311) and next prime (2071778341).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 517944580 + ... + 517944583.

It is an arithmetic number, because the mean of its divisors is an integer number (776916873).

Almost surely, 2^2071778326 is an apocalyptic number.

2071778326 is a deficient number, since it is larger than the sum of its proper divisors (1035889166).

2071778326 is a wasteful number, since it uses less digits than its factorization.

2071778326 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1035889165.

The product of its (nonzero) digits is 197568, while the sum is 43.

The square root of 2071778326 is about 45516.7916927369. The cubic root of 2071778326 is about 1274.8167520314.

The spelling of 2071778326 in words is "two billion, seventy-one million, seven hundred seventy-eight thousand, three hundred twenty-six".