79698455 has 8 divisors (see below), whose sum is σ = 95793504. Its totient is φ = 63655200.

The previous prime is 79698449. The next prime is 79698457. The reversal of 79698455 is 55489697.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 79698455 - 2²² = 75504151 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 79698397 and 79698406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (79698457) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9476 + ... + 15785.

It is an arithmetic number, because the mean of its divisors is an integer number (11974188).

Almost surely, 2^79698455 is an apocalyptic number.

79698455 is a deficient number, since it is larger than the sum of its proper divisors (16095049).

79698455 is a wasteful number, since it uses less digits than its factorization.

79698455 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25897.

The product of its digits is 2721600, while the sum is 53.

The square root of 79698455 is about 8927.3991173241. The cubic root of 79698455 is about 430.3448738579.

The spelling of 79698455 in words is "seventy-nine million, six hundred ninety-eight thousand, four hundred fifty-five".