2072778471 has 8 divisors (see below), whose sum is σ = 3070782960. Its totient is φ = 1381852296.

The previous prime is 2072778439. The next prime is 2072778479. The reversal of 2072778471 is 1748772702.

It is not a de Polignac number, because 2072778471 - 2⁵ = 2072778439 is a prime.

It is a super-3 number, since 3×2072778471³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2072778479) 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, 38384760 + ... + 38384813.

It is an arithmetic number, because the mean of its divisors is an integer number (383847870).

Almost surely, 2^2072778471 is an apocalyptic number.

2072778471 is a deficient number, since it is larger than the sum of its proper divisors (998004489).

2072778471 is an equidigital number, since it uses as much as digits as its factorization.

2072778471 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76769582 (or 76769576 counting only the distinct ones).

The product of its (nonzero) digits is 307328, while the sum is 45.

The square root of 2072778471 is about 45527.7769169548. The cubic root of 2072778471 is about 1275.0218570648.

The spelling of 2072778471 in words is "two billion, seventy-two million, seven hundred seventy-eight thousand, four hundred seventy-one".