77512984494 has 16 divisors (see below), whose sum is σ = 169119239040. Its totient is φ = 23488783160.

The previous prime is 77512984463. The next prime is 77512984543. The reversal of 77512984494 is 49448921577.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 587219514 + ... + 587219645.

It is an arithmetic number, because the mean of its divisors is an integer number (10569952440).

Almost surely, 2^77512984494 is an apocalyptic number.

77512984494 is an abundant number, since it is smaller than the sum of its proper divisors (91606254546).

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

77512984494 is a wasteful number, since it uses less digits than its factorization.

77512984494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174439175.

The product of its digits is 20321280, while the sum is 60.

The spelling of 77512984494 in words is "seventy-seven billion, five hundred twelve million, nine hundred eighty-four thousand, four hundred ninety-four".