2078422537 has 4 divisors (see below), whose sum is σ = 2078966656. Its totient is φ = 2077878420.

The previous prime is 2078422523. The next prime is 2078422609. The reversal of 2078422537 is 7352248702.

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 a de Polignac number, because none of the positive numbers 2^k-2078422537 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2078422537.

It is not an unprimeable number, because it can be changed into a prime (2078422517) 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, 266289 + ... + 273982.

It is an arithmetic number, because the mean of its divisors is an integer number (519741664).

Almost surely, 2^2078422537 is an apocalyptic number.

It is an amenable number.

2078422537 is a deficient number, since it is larger than the sum of its proper divisors (544119).

2078422537 is an equidigital number, since it uses as much as digits as its factorization.

2078422537 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 544118.

The product of its (nonzero) digits is 188160, while the sum is 40.

The square root of 2078422537 is about 45589.7196416034. The cubic root of 2078422537 is about 1276.1780805839.

The spelling of 2078422537 in words is "two billion, seventy-eight million, four hundred twenty-two thousand, five hundred thirty-seven".