76920220478 has 8 divisors (see below), whose sum is σ = 115383245040. Its totient is φ = 38459138800.

The previous prime is 76920220469. The next prime is 76920220529. The reversal of 76920220478 is 87402202967.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 382343 + ... + 547746.

It is an arithmetic number, because the mean of its divisors is an integer number (14422905630).

Almost surely, 2^76920220478 is an apocalyptic number.

76920220478 is a deficient number, since it is larger than the sum of its proper divisors (38463024562).

76920220478 is a wasteful number, since it uses less digits than its factorization.

76920220478 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 971442.

The product of its (nonzero) digits is 677376, while the sum is 47.

The spelling of 76920220478 in words is "seventy-six billion, nine hundred twenty million, two hundred twenty thousand, four hundred seventy-eight".