83727078 has 32 divisors (see below), whose sum is σ = 173352960. Its totient is φ = 26938080.

The previous prime is 83727073. The next prime is 83727103. The reversal of 83727078 is 87072738.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83727073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27643 + ... + 30521.

It is an arithmetic number, because the mean of its divisors is an integer number (5417280).

Almost surely, 2^83727078 is an apocalyptic number.

83727078 is an abundant number, since it is smaller than the sum of its proper divisors (89625882).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

83727078 is a wasteful number, since it uses less digits than its factorization.

83727078 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3052.

The product of its (nonzero) digits is 131712, while the sum is 42.

The square root of 83727078 is about 9150.2501605147. The cubic root of 83727078 is about 437.4770870177.

The spelling of 83727078 in words is "eighty-three million, seven hundred twenty-seven thousand, seventy-eight".