51064203477 has 8 divisors (see below), whose sum is σ = 77812119616. Its totient is φ = 29179544832.

The previous prime is 51064203469. The next prime is 51064203499. The reversal of 51064203477 is 77430246015.

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

It is not a de Polignac number, because 51064203477 - 2³ = 51064203469 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51064203467) 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, 1215814348 + ... + 1215814389.

It is an arithmetic number, because the mean of its divisors is an integer number (9726514952).

Almost surely, 2^51064203477 is an apocalyptic number.

It is an amenable number.

51064203477 is a deficient number, since it is larger than the sum of its proper divisors (26747916139).

51064203477 is a wasteful number, since it uses less digits than its factorization.

51064203477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2431628747.

The product of its (nonzero) digits is 141120, while the sum is 39.

It can be divided in two parts, 51064 and 203477, that added together give a triangular number (254541 = T₇₁₃).

The spelling of 51064203477 in words is "fifty-one billion, sixty-four million, two hundred three thousand, four hundred seventy-seven".