78572853 has 12 divisors (see below), whose sum is σ = 118428960. Its totient is φ = 50104296.

The previous prime is 78572831. The next prime is 78572869. The reversal of 78572853 is 35827587.

78572853 is a `hidden beast` number, since 78 + 572 + 8 + 5 + 3 = 666.

It is not a de Polignac number, because 78572853 - 2⁵ = 78572821 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 78572799 and 78572808.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78572873) 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, 189583 + ... + 189996.

It is an arithmetic number, because the mean of its divisors is an integer number (9869080).

Almost surely, 2^78572853 is an apocalyptic number.

It is an amenable number.

78572853 is a deficient number, since it is larger than the sum of its proper divisors (39856107).

78572853 is a wasteful number, since it uses less digits than its factorization.

78572853 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 379608 (or 379605 counting only the distinct ones).

The product of its digits is 470400, while the sum is 45.

The square root of 78572853 is about 8864.1329525228. The cubic root of 78572853 is about 428.3093030908.

The spelling of 78572853 in words is "seventy-eight million, five hundred seventy-two thousand, eight hundred fifty-three".