2078537834 has 4 divisors (see below), whose sum is σ = 3117806754. Its totient is φ = 1039268916.

The previous prime is 2078537821. The next prime is 2078537843. The reversal of 2078537834 is 4387358702.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 4387358702 = 2 ⋅2193679351.

It can be written as a sum of positive squares in only one way, i.e., 1402277809 + 676260025 = 37447^2 + 26005^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 519634457 + ... + 519634460.

Almost surely, 2^2078537834 is an apocalyptic number.

2078537834 is a deficient number, since it is larger than the sum of its proper divisors (1039268920).

2078537834 is a wasteful number, since it uses less digits than its factorization.

2078537834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1039268919.

The product of its (nonzero) digits is 1128960, while the sum is 47.

The square root of 2078537834 is about 45590.9841306371. The cubic root of 2078537834 is about 1276.2016780929.

The spelling of 2078537834 in words is "two billion, seventy-eight million, five hundred thirty-seven thousand, eight hundred thirty-four".