900572477 has 4 divisors (see below), whose sum is σ = 1029225696. Its totient is φ = 771919260.

The previous prime is 900572447. The next prime is 900572483. The reversal of 900572477 is 774275009.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 774275009 = 2381 ⋅325189.

It is not a de Polignac number, because 900572477 - 2¹⁴ = 900556093 is a prime.

It is a super-2 number, since 2×900572477² = 1622061572659831058, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (900572417) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 64326599 + ... + 64326612.

It is an arithmetic number, because the mean of its divisors is an integer number (257306424).

Almost surely, 2^900572477 is an apocalyptic number.

It is an amenable number.

900572477 is a deficient number, since it is larger than the sum of its proper divisors (128653219).

900572477 is a wasteful number, since it uses less digits than its factorization.

900572477 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128653218.

The product of its (nonzero) digits is 123480, while the sum is 41.

The square root of 900572477 is about 30009.5397665476. The cubic root of 900572477 is about 965.6940525002.

The spelling of 900572477 in words is "nine hundred million, five hundred seventy-two thousand, four hundred seventy-seven".