77501016 has 48 divisors (see below), whose sum is σ = 215640600. Its totient is φ = 25790544.

The previous prime is 77500993. The next prime is 77501027. The reversal of 77501016 is 61010577.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 129085 + ... + 129683.

Almost surely, 2^77501016 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 77501016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107820300).

77501016 is an abundant number, since it is smaller than the sum of its proper divisors (138139584).

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

77501016 is an equidigital number, since it uses as much as digits as its factorization.

77501016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1213 (or 604 counting only the distinct ones).

The product of its (nonzero) digits is 1470, while the sum is 27.

The square root of 77501016 is about 8803.4661355627. The cubic root of 77501016 is about 426.3528122637.

The spelling of 77501016 in words is "seventy-seven million, five hundred one thousand, sixteen".