91854554074 has 8 divisors (see below), whose sum is σ = 138290251968. Its totient is φ = 45757803420.

The previous prime is 91854554063. The next prime is 91854554083. The reversal of 91854554074 is 47045545819.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 84736132 + ... + 84737215.

It is an arithmetic number, because the mean of its divisors is an integer number (17286281496).

Almost surely, 2^91854554074 is an apocalyptic number.

91854554074 is a deficient number, since it is larger than the sum of its proper divisors (46435697894).

91854554074 is a wasteful number, since it uses less digits than its factorization.

91854554074 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 169473620.

The product of its (nonzero) digits is 4032000, while the sum is 52.

The spelling of 91854554074 in words is "ninety-one billion, eight hundred fifty-four million, five hundred fifty-four thousand, seventy-four".