2086977847 has 4 divisors (see below), whose sum is σ = 2107641096. Its totient is φ = 2066314600.

The previous prime is 2086977833. The next prime is 2086977853. The reversal of 2086977847 is 7487796802.

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

It is a cyclic number.

It is not a de Polignac number, because 2086977847 - 2⁷ = 2086977719 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2086977791 and 2086977800.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2086977857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10331473 + ... + 10331674.

It is an arithmetic number, because the mean of its divisors is an integer number (526910274).

Almost surely, 2^2086977847 is an apocalyptic number.

2086977847 is a deficient number, since it is larger than the sum of its proper divisors (20663249).

2086977847 is a wasteful number, since it uses less digits than its factorization.

2086977847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20663248.

The product of its (nonzero) digits is 9483264, while the sum is 58.

The square root of 2086977847 is about 45683.4526606735. The cubic root of 2086977847 is about 1277.9267068484.

The spelling of 2086977847 in words is "two billion, eighty-six million, nine hundred seventy-seven thousand, eight hundred forty-seven".