76809485 has 8 divisors (see below), whose sum is σ = 97593336. Its totient is φ = 57832960.

The previous prime is 76809463. The next prime is 76809493. The reversal of 76809485 is 58490867.

It can be written as a sum of positive squares in 4 ways, for example, as 3587236 + 73222249 = 1894^2 + 8557^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 76809485 - 2¹² = 76805389 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 451736 + ... + 451905.

It is an arithmetic number, because the mean of its divisors is an integer number (12199167).

Almost surely, 2^76809485 is an apocalyptic number.

It is an amenable number.

76809485 is a deficient number, since it is larger than the sum of its proper divisors (20783851).

76809485 is a wasteful number, since it uses less digits than its factorization.

76809485 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 903663.

The product of its (nonzero) digits is 483840, while the sum is 47.

The square root of 76809485 is about 8764.1020646727. The cubic root of 76809485 is about 425.0809257661.

The spelling of 76809485 in words is "seventy-six million, eight hundred nine thousand, four hundred eighty-five".