10387215477 has 36 divisors (see below), whose sum is σ = 15544088352. Its totient is φ = 6683835600.

The previous prime is 10387215413. The next prime is 10387215499. The reversal of 10387215477 is 77451278301.

10387215477 is a `hidden beast` number, since 1 + 0 + 3 + 87 + 21 + 547 + 7 = 666.

It is not a de Polignac number, because 10387215477 - 2⁶ = 10387215413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10387215877) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 3830152 + ... + 3832862.

It is an arithmetic number, because the mean of its divisors is an integer number (431780232).

Almost surely, 2^10387215477 is an apocalyptic number.

It is an amenable number.

10387215477 is a deficient number, since it is larger than the sum of its proper divisors (5156872875).

10387215477 is a wasteful number, since it uses less digits than its factorization.

10387215477 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3222 (or 3188 counting only the distinct ones).

The product of its (nonzero) digits is 329280, while the sum is 45.

The spelling of 10387215477 in words is "ten billion, three hundred eighty-seven million, two hundred fifteen thousand, four hundred seventy-seven".