757980947 has 2 divisors, whose sum is σ = 757980948. Its totient is φ = 757980946.

The previous prime is 757980929. The next prime is 757980961. The reversal of 757980947 is 749089757.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 757980947 - 2¹² = 757976851 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 757980892 and 757980901.

It is not a weakly prime, because it can be changed into another prime (757980967) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 378990473 + 378990474.

It is an arithmetic number, because the mean of its divisors is an integer number (378990474).

Almost surely, 2^757980947 is an apocalyptic number.

757980947 is a deficient number, since it is larger than the sum of its proper divisors (1).

757980947 is an equidigital number, since it uses as much as digits as its factorization.

757980947 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4445280, while the sum is 56.

The square root of 757980947 is about 27531.4537756363. The cubic root of 757980947 is about 911.7716750899.

The spelling of 757980947 in words is "seven hundred fifty-seven million, nine hundred eighty thousand, nine hundred forty-seven".