84352057 has 4 divisors (see below), whose sum is σ = 84378996. Its totient is φ = 84325120.

The previous prime is 84352049. The next prime is 84352067. The reversal of 84352057 is 75025348.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 13388281 + 70963776 = 3659^2 + 8424^2 .

It is a cyclic number.

It is not a de Polignac number, because 84352057 - 2³ = 84352049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (84352027) 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, 8044 + ... + 15277.

It is an arithmetic number, because the mean of its divisors is an integer number (21094749).

Almost surely, 2^84352057 is an apocalyptic number.

It is an amenable number.

84352057 is a deficient number, since it is larger than the sum of its proper divisors (26939).

84352057 is a wasteful number, since it uses less digits than its factorization.

84352057 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26938.

The product of its (nonzero) digits is 33600, while the sum is 34.

The square root of 84352057 is about 9184.3375917918. The cubic root of 84352057 is about 438.5629026161.

It can be divided in two parts, 843 and 52057, that added together give a square (52900 = 230²).

The spelling of 84352057 in words is "eighty-four million, three hundred fifty-two thousand, fifty-seven".