77150068 has 6 divisors (see below), whose sum is σ = 135012626. Its totient is φ = 38575032.

The previous prime is 77150039. The next prime is 77150071. The reversal of 77150068 is 86005177.

It can be written as a sum of positive squares in only one way, i.e., 43718544 + 33431524 = 6612^2 + 5782^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9643755 + ... + 9643762.

Almost surely, 2^77150068 is an apocalyptic number.

It is an amenable number.

77150068 is a deficient number, since it is larger than the sum of its proper divisors (57862558).

77150068 is a wasteful number, since it uses less digits than its factorization.

77150068 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19287521 (or 19287519 counting only the distinct ones).

The product of its (nonzero) digits is 11760, while the sum is 34.

The square root of 77150068 is about 8783.5111430452. The cubic root of 77150068 is about 425.7082869939.

The spelling of 77150068 in words is "seventy-seven million, one hundred fifty thousand, sixty-eight".