80780764350 has 192 divisors, whose sum is σ = 238877210880. Its totient is φ = 17806694400.

The previous prime is 80780764331. The next prime is 80780764357. The reversal of 80780764350 is 5346708708.

It is a self number, because there is not a number n which added to its sum of digits gives 80780764350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80780764357) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1409046 + ... + 1465254.

It is an arithmetic number, because the mean of its divisors is an integer number (1244152140).

Almost surely, 2^80780764350 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 80780764350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (119438605440).

80780764350 is an abundant number, since it is smaller than the sum of its proper divisors (158096446530).

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

80780764350 is a wasteful number, since it uses less digits than its factorization.

80780764350 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56315 (or 56310 counting only the distinct ones).

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 80780764350 in words is "eighty billion, seven hundred eighty million, seven hundred sixty-four thousand, three hundred fifty".