77582780030050 has 48 divisors (see below), whose sum is σ = 149598247099392. Its totient is φ = 29903150851200.

The previous prime is 77582780030047. The next prime is 77582780030101. The reversal of 77582780030050 is 5003008728577.

It is a happy number.

It is a super-2 number, since 2×77582780030050² (a number of 29 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 77582780030050.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 107049594 + ... + 107771893.

It is an arithmetic number, because the mean of its divisors is an integer number (3116630147904).

Almost surely, 2^{77582780030050} is an apocalyptic number.

77582780030050 is a deficient number, since it is larger than the sum of its proper divisors (72015467069342).

77582780030050 is a wasteful number, since it uses less digits than its factorization.

77582780030050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214821763 (or 214821758 counting only the distinct ones).

The product of its (nonzero) digits is 3292800, while the sum is 52.

The spelling of 77582780030050 in words is "seventy-seven trillion, five hundred eighty-two billion, seven hundred eighty million, thirty thousand, fifty".