83913711 has 8 divisors (see below), whose sum is σ = 127868544. Its totient is φ = 47950680.

The previous prime is 83913707. The next prime is 83913761. The reversal of 83913711 is 11731938.

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

It is not a de Polignac number, because 83913711 - 2² = 83913707 is a prime.

It is a super-3 number, since 3×83913711³ (a number of 25 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (83913701) 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, 1997925 + ... + 1997966.

It is an arithmetic number, because the mean of its divisors is an integer number (15983568).

Almost surely, 2^83913711 is an apocalyptic number.

83913711 is a deficient number, since it is larger than the sum of its proper divisors (43954833).

83913711 is a wasteful number, since it uses less digits than its factorization.

83913711 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3995901.

The product of its digits is 4536, while the sum is 33.

The square root of 83913711 is about 9160.4427294755. The cubic root of 83913711 is about 437.8019005754.

The spelling of 83913711 in words is "eighty-three million, nine hundred thirteen thousand, seven hundred eleven".