2478772699433 has 8 divisors (see below), whose sum is σ = 2536440665088. Its totient is φ = 2421105737904.

The previous prime is 2478772699423. The next prime is 2478772699493. The reversal of 2478772699433 is 3349962778742.

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

It is a cyclic number.

It is not a de Polignac number, because 2478772699433 - 2⁶ = 2478772699369 is a prime.

It is a super-2 number, since 2×2478772699433² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2478772699423) 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, 7483160 + ... + 7807382.

It is an arithmetic number, because the mean of its divisors is an integer number (317055083136).

Almost surely, 2^{2478772699433} is an apocalyptic number.

It is an amenable number.

2478772699433 is a deficient number, since it is larger than the sum of its proper divisors (57667965655).

2478772699433 is a wasteful number, since it uses less digits than its factorization.

2478772699433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 502063.

The product of its digits is 768144384, while the sum is 71.

The spelling of 2478772699433 in words is "two trillion, four hundred seventy-eight billion, seven hundred seventy-two million, six hundred ninety-nine thousand, four hundred thirty-three".