90977111 has 8 divisors (see below), whose sum is σ = 96979200. Its totient is φ = 85096440.

The previous prime is 90977099. The next prime is 90977171. The reversal of 90977111 is 11177909.

It is a happy number.

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

It is a de Polignac number, because none of the positive numbers 2^k-90977111 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90977171) 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, 28805 + ... + 31806.

It is an arithmetic number, because the mean of its divisors is an integer number (12122400).

Almost surely, 2^90977111 is an apocalyptic number.

90977111 is a deficient number, since it is larger than the sum of its proper divisors (6002089).

90977111 is a wasteful number, since it uses less digits than its factorization.

90977111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60709.

The product of its (nonzero) digits is 3969, while the sum is 35.

The square root of 90977111 is about 9538.1922291386. The cubic root of 90977111 is about 449.7564295038.

The spelling of 90977111 in words is "ninety million, nine hundred seventy-seven thousand, one hundred eleven".