83078554 has 16 divisors (see below), whose sum is σ = 134961120. Its totient is φ = 38127600.

The previous prime is 83078531. The next prime is 83078603. The reversal of 83078554 is 45587038.

It is a super-2 number, since 2×83078554² = 13804092269461832, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4272 + ... + 13579.

It is an arithmetic number, because the mean of its divisors is an integer number (8435070).

Almost surely, 2^83078554 is an apocalyptic number.

83078554 is a deficient number, since it is larger than the sum of its proper divisors (51882566).

83078554 is a wasteful number, since it uses less digits than its factorization.

83078554 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18045.

The product of its (nonzero) digits is 134400, while the sum is 40.

The square root of 83078554 is about 9114.7437703975. The cubic root of 83078554 is about 436.3446374488.

It can be divided in two parts, 8307 and 8554, that added together give a palindrome (16861).

The spelling of 83078554 in words is "eighty-three million, seventy-eight thousand, five hundred fifty-four".