75678797 has 2 divisors, whose sum is σ = 75678798. Its totient is φ = 75678796.

The previous prime is 75678791. The next prime is 75678803. The reversal of 75678797 is 79787657.

It is a balanced prime because it is at equal distance from previous prime (75678791) and next prime (75678803).

It can be written as a sum of positive squares in only one way, i.e., 43744996 + 31933801 = 6614^2 + 5651^2 .

It is a cyclic number.

It is not a de Polignac number, because 75678797 - 2¹⁶ = 75613261 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (75678791) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 37839398 + 37839399.

It is an arithmetic number, because the mean of its divisors is an integer number (37839399).

Almost surely, 2^75678797 is an apocalyptic number.

It is an amenable number.

75678797 is a deficient number, since it is larger than the sum of its proper divisors (1).

75678797 is an equidigital number, since it uses as much as digits as its factorization.

75678797 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5186160, while the sum is 56.

The square root of 75678797 is about 8699.3561255992. The cubic root of 75678797 is about 422.9847792626.

The spelling of 75678797 in words is "seventy-five million, six hundred seventy-eight thousand, seven hundred ninety-seven".