79087493 has 2 divisors, whose sum is σ = 79087494. Its totient is φ = 79087492.

The previous prime is 79087441. The next prime is 79087499. The reversal of 79087493 is 39478097.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 62457409 + 16630084 = 7903^2 + 4078^2 .

It is a cyclic number.

It is not a de Polignac number, because 79087493 - 2¹² = 79083397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79087499) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39543746 + 39543747.

It is an arithmetic number, because the mean of its divisors is an integer number (39543747).

Almost surely, 2^79087493 is an apocalyptic number.

It is an amenable number.

79087493 is a deficient number, since it is larger than the sum of its proper divisors (1).

79087493 is an equidigital number, since it uses as much as digits as its factorization.

79087493 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 381024, while the sum is 47.

The square root of 79087493 is about 8893.1149211061. The cubic root of 79087493 is about 429.2423886916.

The spelling of 79087493 in words is "seventy-nine million, eighty-seven thousand, four hundred ninety-three".