2150820077 has 8 divisors (see below), whose sum is σ = 2458689792. Its totient is φ = 1843102800.

The previous prime is 2150820071. The next prime is 2150820169. The reversal of 2150820077 is 7700280512.

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

It is not a de Polignac number, because 2150820077 - 2¹⁰ = 2150819053 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2150820071) 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, 6074 + ... + 65867.

It is an arithmetic number, because the mean of its divisors is an integer number (307336224).

Almost surely, 2^2150820077 is an apocalyptic number.

It is an amenable number.

2150820077 is a deficient number, since it is larger than the sum of its proper divisors (307869715).

2150820077 is an equidigital number, since it uses as much as digits as its factorization.

2150820077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76219.

The product of its (nonzero) digits is 7840, while the sum is 32.

The square root of 2150820077 is about 46376.9347520942. The cubic root of 2150820077 is about 1290.8269594953.

The spelling of 2150820077 in words is "two billion, one hundred fifty million, eight hundred twenty thousand, seventy-seven".