2075621077 has 4 divisors (see below), whose sum is σ = 2075757376. Its totient is φ = 2075484780.

The previous prime is 2075621021. The next prime is 2075621087. The reversal of 2075621077 is 7701265702.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2075621077 - 2¹⁵ = 2075588309 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 (2075621087) 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, 41949 + ... + 76882.

It is an arithmetic number, because the mean of its divisors is an integer number (518939344).

Almost surely, 2^2075621077 is an apocalyptic number.

It is an amenable number.

2075621077 is a deficient number, since it is larger than the sum of its proper divisors (136299).

2075621077 is a wasteful number, since it uses less digits than its factorization.

2075621077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136298.

The product of its (nonzero) digits is 41160, while the sum is 37.

The square root of 2075621077 is about 45558.9845914063. The cubic root of 2075621077 is about 1275.6044453261.

Adding to 2075621077 its reverse (7701265702), we get a palindrome (9776886779).

The spelling of 2075621077 in words is "two billion, seventy-five million, six hundred twenty-one thousand, seventy-seven".