91048063272 has 32 divisors (see below), whose sum is σ = 228361610400. Its totient is φ = 30250494144.

The previous prime is 91048063247. The next prime is 91048063277. The reversal of 91048063272 is 27236084019.

It is not an unprimeable number, because it can be changed into a prime (91048063277) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6171247 + ... + 6185982.

It is an arithmetic number, because the mean of its divisors is an integer number (7136300325).

Almost surely, 2^91048063272 is an apocalyptic number.

It is an amenable number.

91048063272 is an abundant number, since it is smaller than the sum of its proper divisors (137313547128).

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

91048063272 is a wasteful number, since it uses less digits than its factorization.

91048063272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12357545 (or 12357541 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 42.

The spelling of 91048063272 in words is "ninety-one billion, forty-eight million, sixty-three thousand, two hundred seventy-two".