83999761 has 8 divisors (see below), whose sum is σ = 84651840. Its totient is φ = 83350608.

The previous prime is 83999743. The next prime is 83999767. The reversal of 83999761 is 16799938.

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 83999761 - 2⁷ = 83999633 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 83999699 and 83999708.

It is not an unprimeable number, because it can be changed into a prime (83999767) 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, 115180 + ... + 115906.

It is an arithmetic number, because the mean of its divisors is an integer number (10581480).

Almost surely, 2^83999761 is an apocalyptic number.

It is an amenable number.

83999761 is a deficient number, since it is larger than the sum of its proper divisors (652079).

83999761 is a wasteful number, since it uses less digits than its factorization.

83999761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1463.

The product of its digits is 734832, while the sum is 52.

The square root of 83999761 is about 9165.1383513835. The cubic root of 83999761 is about 437.9514986292.

The spelling of 83999761 in words is "eighty-three million, nine hundred ninety-nine thousand, seven hundred sixty-one".