77060361988 has 12 divisors (see below), whose sum is σ = 134960752080. Its totient is φ = 38500147112.

The previous prime is 77060361979. The next prime is 77060362031. The reversal of 77060361988 is 88916306077.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7502698 + ... + 7512961.

It is an arithmetic number, because the mean of its divisors is an integer number (11246729340).

Almost surely, 2^77060361988 is an apocalyptic number.

It is an amenable number.

77060361988 is a deficient number, since it is larger than the sum of its proper divisors (57900390092).

77060361988 is a wasteful number, since it uses less digits than its factorization.

77060361988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15016946 (or 15016944 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 55.

The spelling of 77060361988 in words is "seventy-seven billion, sixty million, three hundred sixty-one thousand, nine hundred eighty-eight".