77764032551162 has 4 divisors (see below), whose sum is σ = 116646048826746. Its totient is φ = 38882016275580.

The previous prime is 77764032551147. The next prime is 77764032551173. The reversal of 77764032551162 is 26115523046777.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 77763843461161 + 189090001 = 8818381^2 + 13751^2 .

It is a super-2 number, since 2×77764032551162² (a number of 29 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 77764032551098 and 77764032551107.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19441008137789 + ... + 19441008137792.

Almost surely, 2^{77764032551162} is an apocalyptic number.

77764032551162 is a deficient number, since it is larger than the sum of its proper divisors (38882016275584).

77764032551162 is a wasteful number, since it uses less digits than its factorization.

77764032551162 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38882016275583.

The product of its (nonzero) digits is 14817600, while the sum is 56.

The spelling of 77764032551162 in words is "seventy-seven trillion, seven hundred sixty-four billion, thirty-two million, five hundred fifty-one thousand, one hundred sixty-two".