83957539 has 8 divisors (see below), whose sum is σ = 84605328. Its totient is φ = 83312640.

The previous prime is 83957537. The next prime is 83957569. The reversal of 83957539 is 93575938.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 83957539 - 2¹ = 83957537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83957492 and 83957501.

It is not an unprimeable number, because it can be changed into a prime (83957537) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130659 + ... + 131299.

It is an arithmetic number, because the mean of its divisors is an integer number (10575666).

Almost surely, 2^83957539 is an apocalyptic number.

83957539 is a deficient number, since it is larger than the sum of its proper divisors (647789).

83957539 is a wasteful number, since it uses less digits than its factorization.

83957539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1445.

The product of its digits is 1020600, while the sum is 49.

The square root of 83957539 is about 9162.8346596455. The cubic root of 83957539 is about 437.8781083918.

The spelling of 83957539 in words is "eighty-three million, nine hundred fifty-seven thousand, five hundred thirty-nine".