76780354 has 12 divisors (see below), whose sum is σ = 133974054. Its totient is φ = 32905824.

The previous prime is 76780307. The next prime is 76780367. The reversal of 76780354 is 45308767.

It can be written as a sum of positive squares in only one way, i.e., 71149225 + 5631129 = 8435^2 + 2373^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 391639 + ... + 391834.

Almost surely, 2^76780354 is an apocalyptic number.

76780354 is a deficient number, since it is larger than the sum of its proper divisors (57193700).

76780354 is a wasteful number, since it uses less digits than its factorization.

76780354 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 783489 (or 783482 counting only the distinct ones).

The product of its (nonzero) digits is 141120, while the sum is 40.

The square root of 76780354 is about 8762.4399569983. The cubic root of 76780354 is about 425.0271798073.

The spelling of 76780354 in words is "seventy-six million, seven hundred eighty thousand, three hundred fifty-four".