791640098 has 8 divisors (see below), whose sum is σ = 1188250560. Its totient is φ = 395556580.

The previous prime is 791640089. The next prime is 791640107. The reversal of 791640098 is 890046197.

It is an interprime number because it is at equal distance from previous prime (791640089) and next prime (791640107).

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

It is a super-2 number, since 2×791640098² = 1253388089522899208, which contains 22 as substring.

It is a Curzon number.

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, 127958 + ... + 134001.

It is an arithmetic number, because the mean of its divisors is an integer number (148531320).

Almost surely, 2^791640098 is an apocalyptic number.

791640098 is a deficient number, since it is larger than the sum of its proper divisors (396610462).

791640098 is a wasteful number, since it uses less digits than its factorization.

791640098 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263472.

The product of its (nonzero) digits is 108864, while the sum is 44.

The square root of 791640098 is about 28136.0995519990. The cubic root of 791640098 is about 925.0728349758.

The spelling of 791640098 in words is "seven hundred ninety-one million, six hundred forty thousand, ninety-eight".