83190947 has 8 divisors (see below), whose sum is σ = 95187456. Its totient is φ = 71222472.

The previous prime is 83190941. The next prime is 83190959. The reversal of 83190947 is 74909138.

It is a happy number.

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 83190947 - 2⁸ = 83190691 is a prime.

It is not an unprimeable number, because it can be changed into a prime (83190941) 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, 203 + ... + 12900.

It is an arithmetic number, because the mean of its divisors is an integer number (11898432).

Almost surely, 2^83190947 is an apocalyptic number.

83190947 is a deficient number, since it is larger than the sum of its proper divisors (11996509).

83190947 is a wasteful number, since it uses less digits than its factorization.

83190947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14017.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 83190947 is about 9120.9071369026. The cubic root of 83190947 is about 436.5413187082.

The spelling of 83190947 in words is "eighty-three million, one hundred ninety thousand, nine hundred forty-seven".