78955253 has 8 divisors (see below), whose sum is σ = 86838528. Its totient is φ = 71330544.

The previous prime is 78955243. The next prime is 78955369. The reversal of 78955253 is 35255987.

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

It is a cyclic number.

It is not a de Polignac number, because 78955253 - 2⁴ = 78955237 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78955243) 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, 64001 + ... + 65222.

It is an arithmetic number, because the mean of its divisors is an integer number (10854816).

Almost surely, 2^78955253 is an apocalyptic number.

It is an amenable number.

78955253 is a deficient number, since it is larger than the sum of its proper divisors (7883275).

78955253 is a wasteful number, since it uses less digits than its factorization.

78955253 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 129283.

The product of its digits is 378000, while the sum is 44.

The square root of 78955253 is about 8885.6768453506. The cubic root of 78955253 is about 429.0030138000.

The spelling of 78955253 in words is "seventy-eight million, nine hundred fifty-five thousand, two hundred fifty-three".