77763150140 has 144 divisors (see below), whose sum is σ = 181070389920. Its totient is φ = 27879413760.

The previous prime is 77763150137. The next prime is 77763150169. The reversal of 77763150140 is 4105136777.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 125626751 + ... + 125627369.

Almost surely, 2^77763150140 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77763150140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (90535194960).

77763150140 is an abundant number, since it is smaller than the sum of its proper divisors (103307239780).

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

77763150140 is a wasteful number, since it uses less digits than its factorization.

77763150140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 880 (or 789 counting only the distinct ones).

The product of its (nonzero) digits is 123480, while the sum is 41.

The spelling of 77763150140 in words is "seventy-seven billion, seven hundred sixty-three million, one hundred fifty thousand, one hundred forty".