77832714450 has 96 divisors (see below), whose sum is σ = 196434213120. Its totient is φ = 20389320000.

The previous prime is 77832714431. The next prime is 77832714481. The reversal of 77832714450 is 5441723877.

It is a self number, because there is not a number n which added to its sum of digits gives 77832714450.

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, 19919397 + ... + 19923303.

It is an arithmetic number, because the mean of its divisors is an integer number (2046189720).

Almost surely, 2^77832714450 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 77832714450, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (98217106560).

77832714450 is an abundant number, since it is smaller than the sum of its proper divisors (118601498670).

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

77832714450 is a wasteful number, since it uses less digits than its factorization.

77832714450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6232 (or 6227 counting only the distinct ones).

The product of its (nonzero) digits is 1317120, while the sum is 48.

The spelling of 77832714450 in words is "seventy-seven billion, eight hundred thirty-two million, seven hundred fourteen thousand, four hundred fifty".