61703279456 has 96 divisors (see below), whose sum is σ = 157380975360. Its totient is φ = 23125326336.

The previous prime is 61703279453. The next prime is 61703279503. The reversal of 61703279456 is 65497230716.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (61703279453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 502286 + ... + 612941.

It is an arithmetic number, because the mean of its divisors is an integer number (1639385160).

Almost surely, 2^61703279456 is an apocalyptic number.

It is an amenable number.

61703279456 is an abundant number, since it is smaller than the sum of its proper divisors (95677695904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

61703279456 is a wasteful number, since it uses less digits than its factorization.

61703279456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1115276 (or 1115268 counting only the distinct ones).

The product of its (nonzero) digits is 1905120, while the sum is 50.

The spelling of 61703279456 in words is "sixty-one billion, seven hundred three million, two hundred seventy-nine thousand, four hundred fifty-six".