2772666465 has 8 divisors (see below), whose sum is σ = 4436266368. Its totient is φ = 1478755440.

The previous prime is 2772666401. The next prime is 2772666467. The reversal of 2772666465 is 5646662772.

It is a happy number.

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

It is not a de Polignac number, because 2772666465 - 2⁶ = 2772666401 is a prime.

It is a super-2 number, since 2×2772666465² = 15375358652271192450, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2772666467) 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, 92422201 + ... + 92422230.

It is an arithmetic number, because the mean of its divisors is an integer number (554533296).

Almost surely, 2^2772666465 is an apocalyptic number.

It is an amenable number.

2772666465 is a deficient number, since it is larger than the sum of its proper divisors (1663599903).

2772666465 is a wasteful number, since it uses less digits than its factorization.

2772666465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 184844439.

The product of its digits is 5080320, while the sum is 51.

The square root of 2772666465 is about 52656.1151719342. The cubic root of 2772666465 is about 1404.8583698203.

The spelling of 2772666465 in words is "two billion, seven hundred seventy-two million, six hundred sixty-six thousand, four hundred sixty-five".