80630955 has 48 divisors (see below), whose sum is σ = 145591680. Its totient is φ = 41243904.

The previous prime is 80630951. The next prime is 80631007. The reversal of 80630955 is 55903608.

It is not a de Polignac number, because 80630955 - 2² = 80630951 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80630951) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 131229 + ... + 131841.

It is an arithmetic number, because the mean of its divisors is an integer number (3033160).

Almost surely, 2^80630955 is an apocalyptic number.

80630955 is a deficient number, since it is larger than the sum of its proper divisors (64960725).

80630955 is a wasteful number, since it uses less digits than its factorization.

80630955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740 (or 737 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 36.

The square root of 80630955 is about 8979.4740937318. The cubic root of 80630955 is about 432.0167656816.

The spelling of 80630955 in words is "eighty million, six hundred thirty thousand, nine hundred fifty-five".