3997100855 has 8 divisors (see below), whose sum is σ = 5232568464. Its totient is φ = 2906982400.

The previous prime is 3997100801. The next prime is 3997100893. The reversal of 3997100855 is 5580017993.

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

It is not a de Polignac number, because 3997100855 - 2⁶ = 3997100791 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 36337226 + ... + 36337335.

It is an arithmetic number, because the mean of its divisors is an integer number (654071058).

Almost surely, 2^3997100855 is an apocalyptic number.

3997100855 is a deficient number, since it is larger than the sum of its proper divisors (1235467609).

3997100855 is a wasteful number, since it uses less digits than its factorization.

3997100855 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72674577.

The product of its (nonzero) digits is 340200, while the sum is 47.

The square root of 3997100855 is about 63222.6292952136. The cubic root of 3997100855 is about 1587.0174504583.

The spelling of 3997100855 in words is "three billion, nine hundred ninety-seven million, one hundred thousand, eight hundred fifty-five".