90477207 has 6 divisors (see below), whose sum is σ = 130689312. Its totient is φ = 60318132.

The previous prime is 90477181. The next prime is 90477241. The reversal of 90477207 is 70277409.

It is not a de Polignac number, because 90477207 - 2¹¹ = 90475159 is a prime.

It is a super-2 number, since 2×90477207² = 16372249973041698, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (90477287) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 5026503 + ... + 5026520.

It is an arithmetic number, because the mean of its divisors is an integer number (21781552).

Almost surely, 2^90477207 is an apocalyptic number.

90477207 is a deficient number, since it is larger than the sum of its proper divisors (40212105).

90477207 is a wasteful number, since it uses less digits than its factorization.

90477207 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10053029 (or 10053026 counting only the distinct ones).

The product of its (nonzero) digits is 24696, while the sum is 36.

The square root of 90477207 is about 9511.9507462980. The cubic root of 90477207 is about 448.9311372674.

The spelling of 90477207 in words is "ninety million, four hundred seventy-seven thousand, two hundred seven".