83542077 has 32 divisors (see below), whose sum is σ = 129423360. Its totient is φ = 53207280.

The previous prime is 83542061. The next prime is 83542091. The reversal of 83542077 is 77024538.

It is not a de Polignac number, because 83542077 - 2⁴ = 83542061 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83542007) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 53802 + ... + 55332.

It is an arithmetic number, because the mean of its divisors is an integer number (4044480).

Almost surely, 2^83542077 is an apocalyptic number.

It is an amenable number.

83542077 is a deficient number, since it is larger than the sum of its proper divisors (45881283).

83542077 is a wasteful number, since it uses less digits than its factorization.

83542077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1630 (or 1624 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

The square root of 83542077 is about 9140.1355022779. The cubic root of 83542077 is about 437.1546370473.

The spelling of 83542077 in words is "eighty-three million, five hundred forty-two thousand, seventy-seven".