87438628102 has 32 divisors (see below), whose sum is σ = 161004096000. Its totient is φ = 35501392584.

The previous prime is 87438628051. The next prime is 87438628157. The reversal of 87438628102 is 20182683478.

It is a Harshad number since it is a multiple of its sum of digits (49).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3341218 + ... + 3367285.

It is an arithmetic number, because the mean of its divisors is an integer number (5031378000).

Almost surely, 2^87438628102 is an apocalyptic number.

87438628102 is a deficient number, since it is larger than the sum of its proper divisors (73565467898).

87438628102 is a wasteful number, since it uses less digits than its factorization.

87438628102 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6708545 (or 6708531 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 49.

The spelling of 87438628102 in words is "eighty-seven billion, four hundred thirty-eight million, six hundred twenty-eight thousand, one hundred two".