61793626238 has 16 divisors (see below), whose sum is σ = 93543539040. Its totient is φ = 30613629696.

The previous prime is 61793626229. The next prime is 61793626253. The reversal of 61793626238 is 83262639716.

It is a happy number.

It is a super-3 number, since 3×61793626238³ (a number of 33 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 61793626238.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 191003 + ... + 400086.

It is an arithmetic number, because the mean of its divisors is an integer number (5846471190).

Almost surely, 2^61793626238 is an apocalyptic number.

61793626238 is a deficient number, since it is larger than the sum of its proper divisors (31749912802).

61793626238 is a wasteful number, since it uses less digits than its factorization.

61793626238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 591571.

The product of its digits is 3919104, while the sum is 53.

The spelling of 61793626238 in words is "sixty-one billion, seven hundred ninety-three million, six hundred twenty-six thousand, two hundred thirty-eight".