83880734 has 16 divisors (see below), whose sum is σ = 146154336. Its totient is φ = 35359200.

The previous prime is 83880683. The next prime is 83880751. The reversal of 83880734 is 43708838.

83880734 = T₄₈₉₂ + T₄₈₉₃ + ... + T₄₈₉₈.

It is a junction number, because it is equal to n+sod(n) for n = 83880691 and 83880700.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 48257 + ... + 49964.

It is an arithmetic number, because the mean of its divisors is an integer number (9134646).

Almost surely, 2^83880734 is an apocalyptic number.

83880734 is a deficient number, since it is larger than the sum of its proper divisors (62273602).

83880734 is a wasteful number, since it uses less digits than its factorization.

83880734 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98291.

The product of its (nonzero) digits is 129024, while the sum is 41.

The square root of 83880734 is about 9158.6425850123. The cubic root of 83880734 is about 437.7445429050.

The spelling of 83880734 in words is "eighty-three million, eight hundred eighty thousand, seven hundred thirty-four".