455218077 has 16 divisors (see below), whose sum is σ = 623331072. Its totient is φ = 295364160.

The previous prime is 455218073. The next prime is 455218111. The reversal of 455218077 is 770812554.

It is not a de Polignac number, because 455218077 - 2² = 455218073 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (455218073) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16603 + ... + 34439.

It is an arithmetic number, because the mean of its divisors is an integer number (38958192).

Almost surely, 2^455218077 is an apocalyptic number.

455218077 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

It is an amenable number.

455218077 is a deficient number, since it is larger than the sum of its proper divisors (168112995).

455218077 is a wasteful number, since it uses less digits than its factorization.

455218077 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18068.

The product of its (nonzero) digits is 78400, while the sum is 39.

The square root of 455218077 is about 21335.8401990641. The cubic root of 455218077 is about 769.2600284176.

The spelling of 455218077 in words is "four hundred fifty-five million, two hundred eighteen thousand, seventy-seven".