78079953 has 24 divisors (see below), whose sum is σ = 122581312. Its totient is φ = 43274304.

The previous prime is 78079927. The next prime is 78079973. The reversal of 78079953 is 35997087.

It is not a de Polignac number, because 78079953 - 2⁶ = 78079889 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78079973) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 246151 + ... + 246467.

Almost surely, 2^78079953 is an apocalyptic number.

It is an amenable number.

78079953 is a deficient number, since it is larger than the sum of its proper divisors (44501359).

78079953 is an equidigital number, since it uses as much as digits as its factorization.

78079953 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 681 (or 364 counting only the distinct ones).

The product of its (nonzero) digits is 476280, while the sum is 48.

The square root of 78079953 is about 8836.2861542619. The cubic root of 78079953 is about 427.4118062998.

The spelling of 78079953 in words is "seventy-eight million, seventy-nine thousand, nine hundred fifty-three".