51277633870 has 8 divisors (see below), whose sum is σ = 92299740984. Its totient is φ = 20511053544.

The previous prime is 51277633853. The next prime is 51277633879. The reversal of 51277633870 is 7833677215.

51277633870 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (51277633879) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2563881684 + ... + 2563881703.

It is an arithmetic number, because the mean of its divisors is an integer number (11537467623).

Almost surely, 2^51277633870 is an apocalyptic number.

51277633870 is a deficient number, since it is larger than the sum of its proper divisors (41022107114).

51277633870 is a wasteful number, since it uses less digits than its factorization.

51277633870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5127763394.

The product of its (nonzero) digits is 1481760, while the sum is 49.

The spelling of 51277633870 in words is "fifty-one billion, two hundred seventy-seven million, six hundred thirty-three thousand, eight hundred seventy".