61769395900 has 36 divisors (see below), whose sum is σ = 136568649672. Its totient is φ = 24241572160.

The previous prime is 61769395879. The next prime is 61769395927. The reversal of 61769395900 is 959396716.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5822002 + ... + 5832601.

It is an arithmetic number, because the mean of its divisors is an integer number (3793573602).

Almost surely, 2^61769395900 is an apocalyptic number.

It is an amenable number.

61769395900 is an abundant number, since it is smaller than the sum of its proper divisors (74799253772).

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

61769395900 is a wasteful number, since it uses less digits than its factorization.

61769395900 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11654670 (or 11654663 counting only the distinct ones).

The product of its (nonzero) digits is 2755620, while the sum is 55.

The spelling of 61769395900 in words is "sixty-one billion, seven hundred sixty-nine million, three hundred ninety-five thousand, nine hundred".