79693799 has 2 divisors, whose sum is σ = 79693800. Its totient is φ = 79693798.

The previous prime is 79693763. The next prime is 79693853. The reversal of 79693799 is 99739697.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 79693799 - 2¹² = 79689703 is a prime.

It is a super-2 number, since 2×79693799² = 12702203198104802, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (79693099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 39846899 + 39846900.

It is an arithmetic number, because the mean of its divisors is an integer number (39846900).

Almost surely, 2^79693799 is an apocalyptic number.

79693799 is a deficient number, since it is larger than the sum of its proper divisors (1).

79693799 is an equidigital number, since it uses as much as digits as its factorization.

79693799 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5786802, while the sum is 59.

The square root of 79693799 is about 8927.1383432766. The cubic root of 79693799 is about 430.3364934163.

The spelling of 79693799 in words is "seventy-nine million, six hundred ninety-three thousand, seven hundred ninety-nine".