61234578022 has 8 divisors (see below), whose sum is σ = 93987957096. Its totient is φ = 29905258992.

The previous prime is 61234577981. The next prime is 61234578023. The reversal of 61234578022 is 22087543216.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61234578023) 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 3 ways as a sum of consecutive naturals, for example, 356014903 + ... + 356015074.

It is an arithmetic number, because the mean of its divisors is an integer number (11748494637).

Almost surely, 2^61234578022 is an apocalyptic number.

61234578022 is a deficient number, since it is larger than the sum of its proper divisors (32753379074).

61234578022 is a wasteful number, since it uses less digits than its factorization.

61234578022 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 712030022.

The product of its (nonzero) digits is 161280, while the sum is 40.

The spelling of 61234578022 in words is "sixty-one billion, two hundred thirty-four million, five hundred seventy-eight thousand, twenty-two".