2085978601 has 8 divisors (see below), whose sum is σ = 2384385920. Its totient is φ = 1787673888.

The previous prime is 2085978599. The next prime is 2085978617. The reversal of 2085978601 is 1068795802.

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

It is not a de Polignac number, because 2085978601 - 2¹ = 2085978599 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2085978641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24445 + ... + 69061.

It is an arithmetic number, because the mean of its divisors is an integer number (298048240).

Almost surely, 2^2085978601 is an apocalyptic number.

It is an amenable number.

2085978601 is a deficient number, since it is larger than the sum of its proper divisors (298407319).

2085978601 is an equidigital number, since it uses as much as digits as its factorization.

2085978601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51303.

The product of its (nonzero) digits is 241920, while the sum is 46.

The square root of 2085978601 is about 45672.5147216573. The cubic root of 2085978601 is about 1277.7227169802.

The spelling of 2085978601 in words is "two billion, eighty-five million, nine hundred seventy-eight thousand, six hundred one".