91477663352 has 8 divisors (see below), whose sum is σ = 171520618800. Its totient is φ = 45738831672.

The previous prime is 91477663349. The next prime is 91477663367. The reversal of 91477663352 is 25336677419.

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 91477663294 and 91477663303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5717353952 + ... + 5717353967.

It is an arithmetic number, because the mean of its divisors is an integer number (21440077350).

Almost surely, 2^91477663352 is an apocalyptic number.

It is an amenable number.

91477663352 is a deficient number, since it is larger than the sum of its proper divisors (80042955448).

91477663352 is a wasteful number, since it uses less digits than its factorization.

91477663352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11434707925 (or 11434707921 counting only the distinct ones).

The product of its digits is 5715360, while the sum is 53.

The spelling of 91477663352 in words is "ninety-one billion, four hundred seventy-seven million, six hundred sixty-three thousand, three hundred fifty-two".