75678677 has 8 divisors (see below), whose sum is σ = 76427064. Its totient is φ = 74934208.

The previous prime is 75678649. The next prime is 75678697. The reversal of 75678677 is 77687657.

It can be written as a sum of positive squares in 4 ways, for example, as 61246276 + 14432401 = 7826^2 + 3799^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 75678677 - 2¹² = 75674581 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (75678607) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49943 + ... + 51435.

It is an arithmetic number, because the mean of its divisors is an integer number (9553383).

Almost surely, 2^75678677 is an apocalyptic number.

It is an amenable number.

75678677 is a deficient number, since it is larger than the sum of its proper divisors (748387).

75678677 is a wasteful number, since it uses less digits than its factorization.

75678677 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1959.

The product of its digits is 3457440, while the sum is 53.

The square root of 75678677 is about 8699.3492285343. The cubic root of 75678677 is about 422.9845556940.

The spelling of 75678677 in words is "seventy-five million, six hundred seventy-eight thousand, six hundred seventy-seven".