2142488077 has 4 divisors (see below), whose sum is σ = 2142637056. Its totient is φ = 2142339100.

The previous prime is 2142488069. The next prime is 2142488099. The reversal of 2142488077 is 7708842412.

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 2142488077 - 2³ = 2142488069 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 (2142485077) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 50299 + ... + 82552.

It is an arithmetic number, because the mean of its divisors is an integer number (535659264).

Almost surely, 2^2142488077 is an apocalyptic number.

It is an amenable number.

2142488077 is a deficient number, since it is larger than the sum of its proper divisors (148979).

2142488077 is a wasteful number, since it uses less digits than its factorization.

2142488077 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148978.

The product of its (nonzero) digits is 200704, while the sum is 43.

The square root of 2142488077 is about 46287.0184501011. The cubic root of 2142488077 is about 1289.1579700160.

The spelling of 2142488077 in words is "two billion, one hundred forty-two million, four hundred eighty-eight thousand, seventy-seven".