77761352 has 16 divisors (see below), whose sum is σ = 147800940. Its totient is φ = 38347776.

The previous prime is 77761303. The next prime is 77761373. The reversal of 77761352 is 25316777.

It can be written as a sum of positive squares in 2 ways, for example, as 74891716 + 2869636 = 8654^2 + 1694^2 .

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, 65993 + ... + 67160.

Almost surely, 2^77761352 is an apocalyptic number.

It is an amenable number.

77761352 is a deficient number, since it is larger than the sum of its proper divisors (70039588).

77761352 is a wasteful number, since it uses less digits than its factorization.

77761352 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133232 (or 133228 counting only the distinct ones).

The product of its digits is 61740, while the sum is 38.

The square root of 77761352 is about 8818.2397336430. The cubic root of 77761352 is about 426.8296702486.

The spelling of 77761352 in words is "seventy-seven million, seven hundred sixty-one thousand, three hundred fifty-two".