78325053 has 8 divisors (see below), whose sum is σ = 104791008. Its totient is φ = 52037904.

The previous prime is 78324991. The next prime is 78325067. The reversal of 78325053 is 35052387.

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

It is not a de Polignac number, because 78325053 - 2¹⁷ = 78193981 is a prime.

It is a super-2 number, since 2×78325053² = 12269627854905618, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78325153) 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, 43675 + ... + 45432.

It is an arithmetic number, because the mean of its divisors is an integer number (13098876).

Almost surely, 2^78325053 is an apocalyptic number.

It is an amenable number.

78325053 is a deficient number, since it is larger than the sum of its proper divisors (26465955).

78325053 is a wasteful number, since it uses less digits than its factorization.

78325053 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89403.

The product of its (nonzero) digits is 25200, while the sum is 33.

The square root of 78325053 is about 8850.1442361128. The cubic root of 78325053 is about 427.8585671941.

The spelling of 78325053 in words is "seventy-eight million, three hundred twenty-five thousand, fifty-three".