71477082878 has 8 divisors (see below), whose sum is σ = 107219817768. Its totient is φ = 35737143624.

The previous prime is 71477082847. The next prime is 71477082907. The reversal of 71477082878 is 87828077417.

It is a happy number.

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, 633776 + ... + 737987.

It is an arithmetic number, because the mean of its divisors is an integer number (13402477221).

Almost surely, 2^71477082878 is an apocalyptic number.

71477082878 is a deficient number, since it is larger than the sum of its proper divisors (35742734890).

71477082878 is a wasteful number, since it uses less digits than its factorization.

71477082878 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1397818.

The product of its (nonzero) digits is 9834496, while the sum is 59.

The spelling of 71477082878 in words is "seventy-one billion, four hundred seventy-seven million, eighty-two thousand, eight hundred seventy-eight".