80629536 has 144 divisors (see below), whose sum is σ = 242415936. Its totient is φ = 23282688.

The previous prime is 80629531. The next prime is 80629547. The reversal of 80629536 is 63592608.

It is a super-2 number, since 2×80629536² = 13002244151150592, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 80629494 and 80629503.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80629531) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1521286 + ... + 1521338.

It is an arithmetic number, because the mean of its divisors is an integer number (1683444).

Almost surely, 2^80629536 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 80629536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (121207968).

80629536 is an abundant number, since it is smaller than the sum of its proper divisors (161786400).

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

80629536 is a wasteful number, since it uses less digits than its factorization.

80629536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 155 (or 94 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 39.

The square root of 80629536 is about 8979.3950798481. The cubic root of 80629536 is about 432.0142313556.

The spelling of 80629536 in words is "eighty million, six hundred twenty-nine thousand, five hundred thirty-six".