786971956476 has 24 divisors (see below), whose sum is σ = 1944283657680. Its totient is φ = 246893162752.

The previous prime is 786971956451. The next prime is 786971956487. The reversal of 786971956476 is 674659179687.

It is a junction number, because it is equal to n+sod(n) for n = 786971956398 and 786971956407.

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, 1928852631 + ... + 1928853038.

It is an arithmetic number, because the mean of its divisors is an integer number (81011819070).

Almost surely, 2^786971956476 is an apocalyptic number.

It is an amenable number.

786971956476 is an abundant number, since it is smaller than the sum of its proper divisors (1157311701204).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

786971956476 is a wasteful number, since it uses less digits than its factorization.

786971956476 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3857705693 (or 3857705691 counting only the distinct ones).

The product of its digits is 960180480, while the sum is 75.

The spelling of 786971956476 in words is "seven hundred eighty-six billion, nine hundred seventy-one million, nine hundred fifty-six thousand, four hundred seventy-six".