78955254 has 24 divisors (see below), whose sum is σ = 195508560. Its totient is φ = 22558608.

The previous prime is 78955243. The next prime is 78955369. The reversal of 78955254 is 45255987.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 313189 + ... + 313440.

It is an arithmetic number, because the mean of its divisors is an integer number (8146190).

Almost surely, 2^78955254 is an apocalyptic number.

78955254 is an abundant number, since it is smaller than the sum of its proper divisors (116553306).

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

78955254 is a wasteful number, since it uses less digits than its factorization.

78955254 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 626644 (or 626641 counting only the distinct ones).

The product of its digits is 504000, while the sum is 45.

The square root of 78955254 is about 8885.6769016209. The cubic root of 78955254 is about 429.0030156112.

The spelling of 78955254 in words is "seventy-eight million, nine hundred fifty-five thousand, two hundred fifty-four".