2978058805890 has 64 divisors (see below), whose sum is σ = 8271787253760. Its totient is φ = 672082706880.

The previous prime is 2978058805873. The next prime is 2978058805913. The reversal of 2978058805890 is 985088508792.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 89738046 + ... + 89771225.

It is an arithmetic number, because the mean of its divisors is an integer number (129246675840).

Almost surely, 2^{2978058805890} is an apocalyptic number.

2978058805890 is an abundant number, since it is smaller than the sum of its proper divisors (5293728447870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2978058805890 is a wasteful number, since it uses less digits than its factorization.

2978058805890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 179509367.

The product of its (nonzero) digits is 116121600, while the sum is 69.

The spelling of 2978058805890 in words is "two trillion, nine hundred seventy-eight billion, fifty-eight million, eight hundred five thousand, eight hundred ninety".