78048357 has 4 divisors (see below), whose sum is σ = 104064480. Its totient is φ = 52032236.

The previous prime is 78048349. The next prime is 78048401. The reversal of 78048357 is 75384087.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 78048357 - 2³ = 78048349 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (78048307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 13008057 + ... + 13008062.

It is an arithmetic number, because the mean of its divisors is an integer number (26016120).

Almost surely, 2^78048357 is an apocalyptic number.

It is an amenable number.

78048357 is a deficient number, since it is larger than the sum of its proper divisors (26016123).

78048357 is a wasteful number, since it uses less digits than its factorization.

78048357 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26016122.

The product of its (nonzero) digits is 188160, while the sum is 42.

The square root of 78048357 is about 8834.4981181729. The cubic root of 78048357 is about 427.3541460643.

It can be divided in two parts, 7804 and 8357, that added together give a palindrome (16161).

The spelling of 78048357 in words is "seventy-eight million, forty-eight thousand, three hundred fifty-seven".