83774057 has 4 divisors (see below), whose sum is σ = 83901840. Its totient is φ = 83646276.

The previous prime is 83774051. The next prime is 83774063. The reversal of 83774057 is 75047738.

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, and also an emirpimes, since its reverse is a distinct semiprime: 75047738 = 2 ⋅37523869.

It is an interprime number because it is at equal distance from previous prime (83774051) and next prime (83774063).

It is a cyclic number.

It is not a de Polignac number, because 83774057 - 2¹⁴ = 83757673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (83774051) 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, 62903 + ... + 64220.

It is an arithmetic number, because the mean of its divisors is an integer number (20975460).

Almost surely, 2^83774057 is an apocalyptic number.

It is an amenable number.

83774057 is a deficient number, since it is larger than the sum of its proper divisors (127783).

83774057 is a wasteful number, since it uses less digits than its factorization.

83774057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 127782.

The product of its (nonzero) digits is 164640, while the sum is 41.

The square root of 83774057 is about 9152.8168888053. The cubic root of 83774057 is about 437.5588940580.

The spelling of 83774057 in words is "eighty-three million, seven hundred seventy-four thousand, fifty-seven".