97387739 has 2 divisors, whose sum is σ = 97387740. Its totient is φ = 97387738.

The previous prime is 97387729. The next prime is 97387753. The reversal of 97387739 is 93778379.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 97387739 - 2⁴ = 97387723 is a prime.

It is not a weakly prime, because it can be changed into another prime (97387729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48693869 + 48693870.

It is an arithmetic number, because the mean of its divisors is an integer number (48693870).

Almost surely, 2^97387739 is an apocalyptic number.

97387739 is a deficient number, since it is larger than the sum of its proper divisors (1).

97387739 is an equidigital number, since it uses as much as digits as its factorization.

97387739 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2000376, while the sum is 53.

The square root of 97387739 is about 9868.5226351263. The cubic root of 97387739 is about 460.0814899739.

The spelling of 97387739 in words is "ninety-seven million, three hundred eighty-seven thousand, seven hundred thirty-nine".