91770811034 has 32 divisors (see below), whose sum is σ = 175342734720. Its totient is φ = 35068543488.

The previous prime is 91770811031. The next prime is 91770811037. The reversal of 91770811034 is 43011807719.

It is an interprime number because it is at equal distance from previous prime (91770811031) and next prime (91770811037).

It is a super-2 number, since 2×91770811034² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 91770810982 and 91770811000.

It is not an unprimeable number, because it can be changed into a prime (91770811031) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10142627 + ... + 10151670.

It is an arithmetic number, because the mean of its divisors is an integer number (5479460460).

Almost surely, 2^91770811034 is an apocalyptic number.

91770811034 is a deficient number, since it is larger than the sum of its proper divisors (83571923686).

91770811034 is a wasteful number, since it uses less digits than its factorization.

91770811034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20294342.

The product of its (nonzero) digits is 42336, while the sum is 41.

The spelling of 91770811034 in words is "ninety-one billion, seven hundred seventy million, eight hundred eleven thousand, thirty-four".