2470778631 has 24 divisors (see below), whose sum is σ = 3626503920. Its totient is φ = 1620660096.

The previous prime is 2470778621. The next prime is 2470778731. The reversal of 2470778631 is 1368770742.

2470778631 is a `hidden beast` number, since 2 + 4 + 7 + 0 + 7 + 7 + 8 + 631 = 666.

It is not a de Polignac number, because 2470778631 - 2⁵ = 2470778599 is a prime.

It is a super-2 number, since 2×2470778631² = 12209494086812468322, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2470778621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 642691 + ... + 646523.

It is an arithmetic number, because the mean of its divisors is an integer number (151104330).

Almost surely, 2^2470778631 is an apocalyptic number.

2470778631 is a deficient number, since it is larger than the sum of its proper divisors (1155725289).

2470778631 is a wasteful number, since it uses less digits than its factorization.

2470778631 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4975 (or 4972 counting only the distinct ones).

The product of its (nonzero) digits is 395136, while the sum is 45.

The square root of 2470778631 is about 49706.9273944789. The cubic root of 2470778631 is about 1351.9001374530.

The spelling of 2470778631 in words is "two billion, four hundred seventy million, seven hundred seventy-eight thousand, six hundred thirty-one".