61788582294 has 32 divisors (see below), whose sum is σ = 127579898880. Its totient is φ = 19929242400.

The previous prime is 61788582209. The next prime is 61788582311. The reversal of 61788582294 is 49228588716.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 1891984 + ... + 1924364.

It is an arithmetic number, because the mean of its divisors is an integer number (3986871840).

Almost surely, 2^61788582294 is an apocalyptic number.

61788582294 is an abundant number, since it is smaller than the sum of its proper divisors (65791316586).

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

61788582294 is a wasteful number, since it uses less digits than its factorization.

61788582294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42676.

The product of its digits is 15482880, while the sum is 60.

The spelling of 61788582294 in words is "sixty-one billion, seven hundred eighty-eight million, five hundred eighty-two thousand, two hundred ninety-four".