2080186978354 has 8 divisors (see below), whose sum is σ = 3126048085548. Its totient is φ = 1038170949840.

The previous prime is 2080186978349. The next prime is 2080186978361. The reversal of 2080186978354 is 4538796810802.

It can be written as a sum of positive squares in 2 ways, for example, as 1855248305625 + 224938672729 = 1362075^2 + 474277^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 2080186978292 and 2080186978301.

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, 961268317 + ... + 961270480.

It is a 1-persistent number, because it is pandigital, but 2⋅2080186978354 = 4160373956708 is not.

Almost surely, 2^{2080186978354} is an apocalyptic number.

2080186978354 is a deficient number, since it is larger than the sum of its proper divisors (1045861107194).

2080186978354 is a wasteful number, since it uses less digits than its factorization.

2080186978354 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1922539340.

The product of its (nonzero) digits is 23224320, while the sum is 61.

The spelling of 2080186978354 in words is "two trillion, eighty billion, one hundred eighty-six million, nine hundred seventy-eight thousand, three hundred fifty-four".