83791154 has 4 divisors (see below), whose sum is σ = 125686734. Its totient is φ = 41895576.

The previous prime is 83791117. The next prime is 83791187. The reversal of 83791154 is 45119738.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 45119738 = 2 ⋅22559869.

It can be written as a sum of positive squares in only one way, i.e., 79477225 + 4313929 = 8915^2 + 2077^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20947787 + ... + 20947790.

Almost surely, 2^83791154 is an apocalyptic number.

83791154 is a deficient number, since it is larger than the sum of its proper divisors (41895580).

83791154 is a wasteful number, since it uses less digits than its factorization.

83791154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41895579.

The product of its digits is 30240, while the sum is 38.

The square root of 83791154 is about 9153.7508159224. The cubic root of 83791154 is about 437.5886583861.

The spelling of 83791154 in words is "eighty-three million, seven hundred ninety-one thousand, one hundred fifty-four".