87611037652020 has 192 divisors, whose sum is σ = 247548916226304. Its totient is φ = 23150733742080.

The previous prime is 87611037652007. The next prime is 87611037652031. The reversal of 87611037652020 is 2025673011678.

It is a super-2 number, since 2×87611037652020² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 6190273264 + ... + 6190287416.

It is an arithmetic number, because the mean of its divisors is an integer number (1289317272012).

Almost surely, 2^{87611037652020} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87611037652020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123774458113152).

87611037652020 is an abundant number, since it is smaller than the sum of its proper divisors (159937878574284).

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

87611037652020 is a wasteful number, since it uses less digits than its factorization.

87611037652020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16162 (or 16160 counting only the distinct ones).

The product of its (nonzero) digits is 846720, while the sum is 48.

The spelling of 87611037652020 in words is "eighty-seven trillion, six hundred eleven billion, thirty-seven million, six hundred fifty-two thousand, twenty".