91377395698 has 8 divisors (see below), whose sum is σ = 137089537200. Its totient is φ = 45680883300.

The previous prime is 91377395677. The next prime is 91377395701. The reversal of 91377395698 is 89659377319.

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

It is a super-3 number, since 3×91377395698³ (a number of 34 digits) contains 333 as substring.

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, 3892648 + ... + 3916051.

It is an arithmetic number, because the mean of its divisors is an integer number (17136192150).

Almost surely, 2^91377395698 is an apocalyptic number.

91377395698 is a deficient number, since it is larger than the sum of its proper divisors (45712141502).

91377395698 is a wasteful number, since it uses less digits than its factorization.

91377395698 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7814552.

The product of its digits is 77157360, while the sum is 67.

The spelling of 91377395698 in words is "ninety-one billion, three hundred seventy-seven million, three hundred ninety-five thousand, six hundred ninety-eight".