7027661238 has 32 divisors (see below), whose sum is σ = 15156782592. Its totient is φ = 2159460000.

The previous prime is 7027661237. The next prime is 7027661243. The reversal of 7027661238 is 8321667207.

It is a self number, because there is not a number n which added to its sum of digits gives 7027661238.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7027661231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1408 + ... + 118563.

It is an arithmetic number, because the mean of its divisors is an integer number (473649456).

Almost surely, 2^7027661238 is an apocalyptic number.

7027661238 is a gapful number since it is divisible by the number (78) formed by its first and last digit.

7027661238 is an abundant number, since it is smaller than the sum of its proper divisors (8129121354).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

7027661238 is a wasteful number, since it uses less digits than its factorization.

7027661238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120740.

The product of its (nonzero) digits is 169344, while the sum is 42.

The square root of 7027661238 is about 83831.1471828938. The cubic root of 7027661238 is about 1915.4475874799.

The spelling of 7027661238 in words is "seven billion, twenty-seven million, six hundred sixty-one thousand, two hundred thirty-eight".