90787629108 has 24 divisors (see below), whose sum is σ = 231095783520. Its totient is φ = 27511402720.

The previous prime is 90787629047. The next prime is 90787629137. The reversal of 90787629108 is 80192678709.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 343892403 + ... + 343892666.

It is an arithmetic number, because the mean of its divisors is an integer number (9628990980).

Almost surely, 2^90787629108 is an apocalyptic number.

It is an amenable number.

90787629108 is an abundant number, since it is smaller than the sum of its proper divisors (140308154412).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

90787629108 is a wasteful number, since it uses less digits than its factorization.

90787629108 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 687785087 (or 687785085 counting only the distinct ones).

The product of its (nonzero) digits is 3048192, while the sum is 57.

It can be divided in two parts, 9078 and 7629108, that added together give a triangular number (7638186 = T₃₉₀₈).

The spelling of 90787629108 in words is "ninety billion, seven hundred eighty-seven million, six hundred twenty-nine thousand, one hundred eight".