51470784537207 has 64 divisors (see below), whose sum is σ = 90235979366400. Its totient is φ = 25378868989440.

The previous prime is 51470784537197. The next prime is 51470784537253. The reversal of 51470784537207 is 70273548707415.

It is a happy number.

It is not a de Polignac number, because 51470784537207 - 2¹² = 51470784533111 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51470784535207) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122180107 + ... + 122600652.

It is an arithmetic number, because the mean of its divisors is an integer number (1409937177600).

Almost surely, 2^{51470784537207} is an apocalyptic number.

51470784537207 is a gapful number since it is divisible by the number (57) formed by its first and last digit.

51470784537207 is a deficient number, since it is larger than the sum of its proper divisors (38765194829193).

51470784537207 is a wasteful number, since it uses less digits than its factorization.

51470784537207 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 244780836.

The product of its (nonzero) digits is 46099200, while the sum is 60.

The spelling of 51470784537207 in words is "fifty-one trillion, four hundred seventy billion, seven hundred eighty-four million, five hundred thirty-seven thousand, two hundred seven".