102421504377 has 40 divisors (see below), whose sum is σ = 158331888000. Its totient is φ = 65903162976.

The previous prime is 102421504357. The next prime is 102421504387. The reversal of 102421504377 is 773405124201.

102421504377 is a `hidden beast` number, since 1 + 0 + 2 + 4 + 215 + 0 + 437 + 7 = 666.

It is not a de Polignac number, because 102421504377 - 2⁶ = 102421504313 is a prime.

It is not an unprimeable number, because it can be changed into a prime (102421504337) 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 39 ways as a sum of consecutive naturals, for example, 8748874 + ... + 8760572.

It is an arithmetic number, because the mean of its divisors is an integer number (3958297200).

Almost surely, 2^102421504377 is an apocalyptic number.

It is an amenable number.

102421504377 is a deficient number, since it is larger than the sum of its proper divisors (55910383623).

102421504377 is a wasteful number, since it uses less digits than its factorization.

102421504377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15467 (or 15458 counting only the distinct ones).

The product of its (nonzero) digits is 47040, while the sum is 36.

Adding to 102421504377 its reverse (773405124201), we get a palindrome (875826628578).

The spelling of 102421504377 in words is "one hundred two billion, four hundred twenty-one million, five hundred four thousand, three hundred seventy-seven".