78079698 has 24 divisors (see below), whose sum is σ = 169907868. Its totient is φ = 25913472.

The previous prime is 78079697. The next prime is 78079709. The reversal of 78079698 is 89697087.

It can be written as a sum of positive squares in 2 ways, for example, as 76265289 + 1814409 = 8733^2 + 1347^2 .

It is not an unprimeable number, because it can be changed into a prime (78079693) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5115 + ... + 13502.

Almost surely, 2^78079698 is an apocalyptic number.

78079698 is an abundant number, since it is smaller than the sum of its proper divisors (91828170).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

78079698 is a wasteful number, since it uses less digits than its factorization.

78079698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18858 (or 18855 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 54.

The square root of 78079698 is about 8836.2717251112. The cubic root of 78079698 is about 427.4113410070.

The spelling of 78079698 in words is "seventy-eight million, seventy-nine thousand, six hundred ninety-eight".