1085200977 has 8 divisors (see below), whose sum is σ = 1653639616. Its totient is φ = 620114832.

The previous prime is 1085200969. The next prime is 1085200993. The reversal of 1085200977 is 7790025801.

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

It is not a de Polignac number, because 1085200977 - 2³ = 1085200969 is a prime.

It is a super-2 number, since 2×1085200977² = 2355322320963509058, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1085200777) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25838098 + ... + 25838139.

It is an arithmetic number, because the mean of its divisors is an integer number (206704952).

Almost surely, 2^1085200977 is an apocalyptic number.

It is an amenable number.

1085200977 is a deficient number, since it is larger than the sum of its proper divisors (568438639).

1085200977 is an equidigital number, since it uses as much as digits as its factorization.

1085200977 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51676247.

The product of its (nonzero) digits is 35280, while the sum is 39.

The square root of 1085200977 is about 32942.3887567371. The cubic root of 1085200977 is about 1027.6298841853.

The spelling of 1085200977 in words is "one billion, eighty-five million, two hundred thousand, nine hundred seventy-seven".